-4m-9=8m+9

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


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

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

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

Solving
-9 + -4m = 9 + 8m

Solving for variable 'm'.

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

Add '-8m' to each side of the equation.
-9 + -4m + -8m = 9 + 8m + -8m

Combine like terms: -4m + -8m = -12m
-9 + -12m = 9 + 8m + -8m

Combine like terms: 8m + -8m = 0
-9 + -12m = 9 + 0
-9 + -12m = 9

Add '9' to each side of the equation.
-9 + 9 + -12m = 9 + 9

Combine like terms: -9 + 9 = 0
0 + -12m = 9 + 9
-12m = 9 + 9

Combine like terms: 9 + 9 = 18
-12m = 18

Divide each side by '-12'.
m = -1.5

Simplifying
m = -1.5

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