12m+9=11m+7

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Solution for 12m+9=11m+7 equation:


Simplifying
12m + 9 = 11m + 7

Reorder the terms:
9 + 12m = 11m + 7

Reorder the terms:
9 + 12m = 7 + 11m

Solving
9 + 12m = 7 + 11m

Solving for variable 'm'.

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

Add '-11m' to each side of the equation.
9 + 12m + -11m = 7 + 11m + -11m

Combine like terms: 12m + -11m = 1m
9 + 1m = 7 + 11m + -11m

Combine like terms: 11m + -11m = 0
9 + 1m = 7 + 0
9 + 1m = 7

Add '-9' to each side of the equation.
9 + -9 + 1m = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 1m = 7 + -9
1m = 7 + -9

Combine like terms: 7 + -9 = -2
1m = -2

Divide each side by '1'.
m = -2

Simplifying
m = -2

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