23=a+7a+7

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Solution for 23=a+7a+7 equation: 


a in (-oo:+oo)

23 = a+7*a+7 // - a+7*a+7

23-a-(7*a)-7 = 0

23-a-7*a-7 = 0

16-8*a = 0 // - 16

-8*a = -16 // : -8

a = -16/(-8)

a = 2

a = 2

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