2(-1+m)=12

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Solution for 2(-1+m)=12 equation: 


Simplifying
2(-1 + m) = 12
(-1 * 2 + m * 2) = 12
(-2 + 2m) = 12

Solving
-2 + 2m = 12

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 = 12 + 2

Combine like terms: -2 + 2 = 0
0 + 2m = 12 + 2
2m = 12 + 2

Combine like terms: 12 + 2 = 14
2m = 14

Divide each side by '2'.
m = 7

Simplifying
m = 7

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