-12m-13=-m+20

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Solution for -12m-13=-m+20 equation:


Simplifying
-12m + -13 = -1m + 20

Reorder the terms:
-13 + -12m = -1m + 20

Reorder the terms:
-13 + -12m = 20 + -1m

Solving
-13 + -12m = 20 + -1m

Solving for variable 'm'.

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

Add 'm' to each side of the equation.
-13 + -12m + m = 20 + -1m + m

Combine like terms: -12m + m = -11m
-13 + -11m = 20 + -1m + m

Combine like terms: -1m + m = 0
-13 + -11m = 20 + 0
-13 + -11m = 20

Add '13' to each side of the equation.
-13 + 13 + -11m = 20 + 13

Combine like terms: -13 + 13 = 0
0 + -11m = 20 + 13
-11m = 20 + 13

Combine like terms: 20 + 13 = 33
-11m = 33

Divide each side by '-11'.
m = -3

Simplifying
m = -3

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