3m+7=-2

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Solution for 3m+7=-2 equation: 


m in (-oo:+oo)

3*m+7 = -2 // + 2

3*m+2+7 = 0

3*m+9 = 0 // - 9

3*m = -9 // : 3

m = -9/3

m = -3

m = -3

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