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2x + (2x +5) + 3t +3t-7
=4x+6t-2
joseph rimiru answered the question on October 22, 2017 at 05:28
- A vehicle travels at a speed of (x +10)km/h. what distance does it cover in (3y-5)hours?(Solved)
A vehicle travels at a speed of (x +10)km/h. what distance does it cover in (3y-5)hours
Date posted: October 22, 2017. Answers (1)
- A square lawn of side x cm is surrounded by a path of width 2m. write an expression for the area of the path.(Solved)
A square lawn of side x cm is surrounded by a path of width 2m. write an expression for the area of the path.
Date posted: October 22, 2017. Answers (1)
- A rectangular piece of cloth is (x+6)cm by (x-2)cm. A strip 3cm wide is cut off all around it. Write an expression for the area...(Solved)
A rectangular piece of cloth is (x+6)cm by (x-2)cm. A strip 3cm wide is cut off all around it. Write an expression for the area of the strip.
Date posted: October 22, 2017. Answers (1)
- Sammy has sh. X . buys a book for y and a pen for sh. Z. how much is he left with? (Solved)
Sammy has sh. X . buys a book for y and a pen for sh. Z. how much is he left with?
Date posted: October 22, 2017. Answers (1)
- An empty basket mass is w kg. Forty eggs each of mass x grams are placed in the basket. Find the mass of y ...(Solved)
An empty basket mass is w kg. Forty eggs each of mass x grams are placed in the basket. Find the mass of y such basket.
Date posted: October 22, 2017. Answers (1)
- Express each of the following using symbols and brackets
a. Multiply the difference of x and y by z
b. Multiply (x+3) by (4-x)
c. Subtract 2a+b from 2-b
(Solved)
Express each of the following using symbols and brackets
a. Multiply the difference of x and y by z
b. Multiply (x+3) by (4-x)
c. Subtract 2a+b from 2-b
Date posted: October 22, 2017. Answers (1)
- Factorise each of the following
a. 4x +3y +4z +3y
b. 8a +6b +3c -6a
c. Xy^2 –x^2y
(Solved)
Factorise each of the following
a. 4x +3y +4z +3y
b. 8a +6b +3c -6a
c. Xy^2 –x^2y
Date posted: October 22, 2017. Answers (1)
- Remove the bracket and simplify
a. (4-y)-2(2x-3y+2)
b. (5-y)-3(y-4x-2)
(Solved)
Remove the bracket and simplify
a. (4-y)-2(2x-3y+2)
b. (5-y)-3(y-4x-2)
Date posted: October 22, 2017. Answers (1)
- Remove the bracket and simplify
a. 6(r +s) + 8(r +s)
b. 4(2x +5) -3(6x-7)
(Solved)
Remove the bracket and simplify
a. 6(r +s) + 8(r +s)
b. 4(2x +5) -3(6x-7)
Date posted: October 22, 2017. Answers (1)
- In each of the following, pick the term which is not like the others
a. 4x, 6x, 8x, 3x^2, 12x
b. n^5, 6m^5, 8m^5, m^5,m^2, 4m^5
c. 2ab, ab, -ab, a^2b,...(Solved)
In each of the following, pick the term which is not like the others
a. 4x, 6x, 8x, 3x^2, 12x
b. n^5, 6m^5, 8m^5, m^5,m^2, 4m^5
c. 2ab, ab, -ab, a^2b, -3/5ab
Date posted: October 22, 2017. Answers (1)
- Simplify
a. 4a +6b +8a – 2b
b. -10m +2k -3m -5k
(Solved)
Simplify
a. 4a +6b +8a – 2b
b. -10m +2k -3m -5k
Date posted: October 22, 2017. Answers (1)
- Simplify (1/2)x + (1/3)y +(1/5)x(Solved)
Simplify (1/2)x + (1/3)y +(1/5)x
Date posted: October 22, 2017. Answers (1)
- Simplify 3a +4b-a+c+3b(Solved)
Simplify 3a +4b-a+c+3b
Date posted: October 22, 2017. Answers (1)
- Sam spend half of his monthly earning on food and one sixth on water and electricity. Write down an expression for the remainder of his...(Solved)
Sam spend half of his monthly earning on food and one sixth on water and electricity. Write down an expression for the remainder of his earning s.
Date posted: October 22, 2017. Answers (1)
- David is seven years older than his brother ken. Find the expression for
a. The sum of their ages
b. The sum of their ages in ten years to...(Solved)
David is seven years older than his brother ken. Find the expression for
a. The sum of their ages
b. The sum of their ages in ten years to come.
c. The product of their ages four years ago
Date posted: October 22, 2017. Answers (1)
- A certain number is add to 2/5 of itself. If the sum is doubled, write down the final statement(Solved)
A certain number is add to 2/5 of itself. If the sum is doubled, write down the final statement
Date posted: October 21, 2017. Answers (1)
- John earns thrice as much as his wife Joan. Write down an expression for the difference between their earnings.(Solved)
John earns thrice as much as his wife Joan. Write down an expression for the difference between their earnings.
Date posted: October 21, 2017. Answers (1)
- Four kids we given a certain number of oranges by their mother. If they were divided equally how many did each get?(Solved)
Four kids we given a certain number of oranges by their mother. If they were divided equally how many did each get?
Date posted: October 21, 2017. Answers (1)
- Ben is twice as old as his sister Jane, and their brother David is 7 years younger than Jane. Write an expression for the sum...(Solved)
Ben is twice as old as his sister Jane, and their brother David is 7 years younger than Jane. Write an expression for the sum of their ages.
Date posted: October 21, 2017. Answers (1)
- Use letters to express the following statements
a. The area of a triangle whose base is x cm and height y cm
b. The distance covered by an...(Solved)
Use letters to express the following statements
a. The area of a triangle whose base is x cm and height y cm
b. The distance covered by an object in given time t and speed m/s
c. The number of days in (x +10) weeks
Date posted: October 21, 2017. Answers (1)