m+2-3m=-20

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Solution for m+2-3m=-20 equation: 


m in (-oo:+oo)

m-(3*m)+2 = -20 // + 20

m-(3*m)+2+20 = 0

m-3*m+2+20 = 0

22-2*m = 0 // - 22

-2*m = -22 // : -2

m = -22/(-2)

m = 11

m = 11

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