m-8m-9m-5=120

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Solution for m-8m-9m-5=120 equation:


Simplifying
m + -8m + -9m + -5 = 120

Reorder the terms:
-5 + m + -8m + -9m = 120

Combine like terms: m + -8m = -7m
-5 + -7m + -9m = 120

Combine like terms: -7m + -9m = -16m
-5 + -16m = 120

Solving
-5 + -16m = 120

Solving for variable 'm'.

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

Add '5' to each side of the equation.
-5 + 5 + -16m = 120 + 5

Combine like terms: -5 + 5 = 0
0 + -16m = 120 + 5
-16m = 120 + 5

Combine like terms: 120 + 5 = 125
-16m = 125

Divide each side by '-16'.
m = -7.8125

Simplifying
m = -7.8125

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