12m-13=m+9

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Solution for 12m-13=m+9 equation:


Simplifying
12m + -13 = m + 9

Reorder the terms:
-13 + 12m = m + 9

Reorder the terms:
-13 + 12m = 9 + m

Solving
-13 + 12m = 9 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
-13 + 12m + -1m = 9 + m + -1m

Combine like terms: 12m + -1m = 11m
-13 + 11m = 9 + m + -1m

Combine like terms: m + -1m = 0
-13 + 11m = 9 + 0
-13 + 11m = 9

Add '13' to each side of the equation.
-13 + 13 + 11m = 9 + 13

Combine like terms: -13 + 13 = 0
0 + 11m = 9 + 13
11m = 9 + 13

Combine like terms: 9 + 13 = 22
11m = 22

Divide each side by '11'.
m = 2

Simplifying
m = 2

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