m-5+3m+8=-9

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Solution for m-5+3m+8=-9 equation:


Simplifying
m + -5 + 3m + 8 = -9

Reorder the terms:
-5 + 8 + m + 3m = -9

Combine like terms: -5 + 8 = 3
3 + m + 3m = -9

Combine like terms: m + 3m = 4m
3 + 4m = -9

Solving
3 + 4m = -9

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + -3 + 4m = -9 + -3

Combine like terms: 3 + -3 = 0
0 + 4m = -9 + -3
4m = -9 + -3

Combine like terms: -9 + -3 = -12
4m = -12

Divide each side by '4'.
m = -3

Simplifying
m = -3

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