2m+(m-12)=90

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Solution for 2m+(m-12)=90 equation:


Simplifying
2m + (m + -12) = 90

Reorder the terms:
2m + (-12 + m) = 90

Remove parenthesis around (-12 + m)
2m + -12 + m = 90

Reorder the terms:
-12 + 2m + m = 90

Combine like terms: 2m + m = 3m
-12 + 3m = 90

Solving
-12 + 3m = 90

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 + 3m = 90 + 12

Combine like terms: -12 + 12 = 0
0 + 3m = 90 + 12
3m = 90 + 12

Combine like terms: 90 + 12 = 102
3m = 102

Divide each side by '3'.
m = 34

Simplifying
m = 34

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