-7+7m=-28

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Solution for -7+7m=-28 equation: 


m in (-oo:+oo)

7*m-7 = -28 // + 28

7*m-7+28 = 0

7*m+21 = 0 // - 21

7*m = -21 // : 7

m = -21/7

m = -3

m = -3

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