-9+7m=12

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Solution for -9+7m=12 equation: 


m in (-oo:+oo)

7*m-9 = 12 // - 12

7*m-12-9 = 0

7*m-21 = 0 // + 21

7*m = 21 // : 7

m = 21/7

m = 3

m = 3

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