-7m-4+5m=-20

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Solution for -7m-4+5m=-20 equation: 


m in (-oo:+oo)

5*m-7*m-4 = -20 // + 20

5*m-7*m-4+20 = 0

16-2*m = 0 // - 16

-2*m = -16 // : -2

m = -16/(-2)

m = 8

m = 8

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