2m+9-7=12

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Solution for 2m+9-7=12 equation: 


Simplifying
2m + 9 + -7 = 12

Reorder the terms:
9 + -7 + 2m = 12

Combine like terms: 9 + -7 = 2
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 = 10
2m = 10

Divide each side by '2'.
m = 5

Simplifying
m = 5

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