m-4+8m=-13

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Solution for m-4+8m=-13 equation:


Simplifying
m + -4 + 8m = -13

Reorder the terms:
-4 + m + 8m = -13

Combine like terms: m + 8m = 9m
-4 + 9m = -13

Solving
-4 + 9m = -13

Solving for variable 'm'.

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

Add '4' to each side of the equation.
-4 + 4 + 9m = -13 + 4

Combine like terms: -4 + 4 = 0
0 + 9m = -13 + 4
9m = -13 + 4

Combine like terms: -13 + 4 = -9
9m = -9

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

Simplifying
m = -1

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