8-m-3m=13

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Solution for 8-m-3m=13 equation:


Simplifying
8 + -1m + -3m = 13

Combine like terms: -1m + -3m = -4m
8 + -4m = 13

Solving
8 + -4m = 13

Solving for variable 'm'.

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

Add '-8' to each side of the equation.
8 + -8 + -4m = 13 + -8

Combine like terms: 8 + -8 = 0
0 + -4m = 13 + -8
-4m = 13 + -8

Combine like terms: 13 + -8 = 5
-4m = 5

Divide each side by '-4'.
m = -1.25

Simplifying
m = -1.25

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