7m-4+8-5m=-16

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Solution for 7m-4+8-5m=-16 equation:


Simplifying
7m + -4 + 8 + -5m = -16

Reorder the terms:
-4 + 8 + 7m + -5m = -16

Combine like terms: -4 + 8 = 4
4 + 7m + -5m = -16

Combine like terms: 7m + -5m = 2m
4 + 2m = -16

Solving
4 + 2m = -16

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 + 2m = -16 + -4

Combine like terms: 4 + -4 = 0
0 + 2m = -16 + -4
2m = -16 + -4

Combine like terms: -16 + -4 = -20
2m = -20

Divide each side by '2'.
m = -10

Simplifying
m = -10

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