2a-1=-31+7a

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Solution for 2a-1=-31+7a equation: 


a in (-oo:+oo)

2*a-1 = 7*a-31 // - 7*a-31

2*a-(7*a)-1+31 = 0

2*a-7*a-1+31 = 0

30-5*a = 0 // - 30

-5*a = -30 // : -5

a = -30/(-5)

a = 6

a = 6

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