8m-13m=20

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Solution for 8m-13m=20 equation: 


Simplifying
8m + -13m = 20

Combine like terms: 8m + -13m = -5m
-5m = 20

Solving
-5m = 20

Solving for variable 'm'.

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

Divide each side by '-5'.
m = -4

Simplifying
m = -4

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