3-(-2m)+9-m=

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Solution for 3-(-2m)+9-m= equation:


Simplifying
3 + -1(-2m) + 9 + -1m = 0

Remove parenthesis around (-2m)
3 + -1 * -2m + 9 + -1m = 0

Multiply -1 * -2
3 + 2m + 9 + -1m = 0

Reorder the terms:
3 + 9 + 2m + -1m = 0

Combine like terms: 3 + 9 = 12
12 + 2m + -1m = 0

Combine like terms: 2m + -1m = 1m
12 + 1m = 0

Solving
12 + 1m = 0

Solving for variable 'm'.

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

Add '-12' to each side of the equation.
12 + -12 + 1m = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 1m = 0 + -12
1m = 0 + -12

Combine like terms: 0 + -12 = -12
1m = -12

Divide each side by '1'.
m = -12

Simplifying
m = -12

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