3(1+7a)=-144

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Solution for 3(1+7a)=-144 equation: 


a in (-oo:+oo)

3*(7*a+1) = -144 // + 144

3*(7*a+1)+144 = 0

3*(7*a+1)+144 = 0

21*a+147 = 0

21*a+147 = 0

21*a+147 = 0 // - 147

21*a = -147 // : 21

a = -147/21

a = -7

a = -7

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