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a+4d+a+5d=30
2a+9d=30………(i)
a+2d=5………..(ii)
2a+9d=30
2a+4d=10
5d=20
d=4
a+2 x 4=5
a=5-8=-3
a=-3
Kavungya answered the question on September 21, 2019 at 07:12
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