-2-2m=-20

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


Simplifying
-2 + -2m = -20

Solving
-2 + -2m = -20

Solving for variable 'm'.

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

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

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

Combine like terms: -20 + 2 = -18
-2m = -18

Divide each side by '-2'.
m = 9

Simplifying
m = 9

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