7m+8-9m=-4

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Solution for 7m+8-9m=-4 equation:


Simplifying
7m + 8 + -9m = -4

Reorder the terms:
8 + 7m + -9m = -4

Combine like terms: 7m + -9m = -2m
8 + -2m = -4

Solving
8 + -2m = -4

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 + -2m = -4 + -8

Combine like terms: 8 + -8 = 0
0 + -2m = -4 + -8
-2m = -4 + -8

Combine like terms: -4 + -8 = -12
-2m = -12

Divide each side by '-2'.
m = 6

Simplifying
m = 6

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