-20=3m-m+4

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Solution for -20=3m-m+4 equation: 


m in (-oo:+oo)

-20 = 3*m-m+4 // - 3*m-m+4

m-(3*m)-20-4 = 0

m-3*m-20-4 = 0

-2*m-24 = 0 // + 24

-2*m = 24 // : -2

m = 24/(-2)

m = -12

m = -12

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