-m+20=-20+2m-2

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


Simplifying
-1m + 20 = -20 + 2m + -2

Reorder the terms:
20 + -1m = -20 + 2m + -2

Reorder the terms:
20 + -1m = -20 + -2 + 2m

Combine like terms: -20 + -2 = -22
20 + -1m = -22 + 2m

Solving
20 + -1m = -22 + 2m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-2m' to each side of the equation.
20 + -1m + -2m = -22 + 2m + -2m

Combine like terms: -1m + -2m = -3m
20 + -3m = -22 + 2m + -2m

Combine like terms: 2m + -2m = 0
20 + -3m = -22 + 0
20 + -3m = -22

Add '-20' to each side of the equation.
20 + -20 + -3m = -22 + -20

Combine like terms: 20 + -20 = 0
0 + -3m = -22 + -20
-3m = -22 + -20

Combine like terms: -22 + -20 = -42
-3m = -42

Divide each side by '-3'.
m = 14

Simplifying
m = 14

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