-m-13=-22

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Solution for -m-13=-22 equation: 


Simplifying
-1m + -13 = -22

Reorder the terms:
-13 + -1m = -22

Solving
-13 + -1m = -22

Solving for variable 'm'.

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

Add '13' to each side of the equation.
-13 + 13 + -1m = -22 + 13

Combine like terms: -13 + 13 = 0
0 + -1m = -22 + 13
-1m = -22 + 13

Combine like terms: -22 + 13 = -9
-1m = -9

Divide each side by '-1'.
m = 9

Simplifying
m = 9

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