8m-3-9m-m=5-12

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Solution for 8m-3-9m-m=5-12 equation:


Simplifying
8m + -3 + -9m + -1m = 5 + -12

Reorder the terms:
-3 + 8m + -9m + -1m = 5 + -12

Combine like terms: 8m + -9m = -1m
-3 + -1m + -1m = 5 + -12

Combine like terms: -1m + -1m = -2m
-3 + -2m = 5 + -12

Combine like terms: 5 + -12 = -7
-3 + -2m = -7

Solving
-3 + -2m = -7

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 + -2m = -7 + 3

Combine like terms: -3 + 3 = 0
0 + -2m = -7 + 3
-2m = -7 + 3

Combine like terms: -7 + 3 = -4
-2m = -4

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

Simplifying
m = 2

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