3(6+7m)=-129

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Solution for 3(6+7m)=-129 equation: 


m in (-oo:+oo)

3*(7*m+6) = -129 // + 129

3*(7*m+6)+129 = 0

3*(7*m+6)+129 = 0

21*m+147 = 0

21*m+147 = 0

21*m+147 = 0 // - 147

21*m = -147 // : 21

m = -147/21

m = -7

m = -7

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