9m-18=6m-42

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Solution for 9m-18=6m-42 equation:


Simplifying
9m + -18 = 6m + -42

Reorder the terms:
-18 + 9m = 6m + -42

Reorder the terms:
-18 + 9m = -42 + 6m

Solving
-18 + 9m = -42 + 6m

Solving for variable 'm'.

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

Add '-6m' to each side of the equation.
-18 + 9m + -6m = -42 + 6m + -6m

Combine like terms: 9m + -6m = 3m
-18 + 3m = -42 + 6m + -6m

Combine like terms: 6m + -6m = 0
-18 + 3m = -42 + 0
-18 + 3m = -42

Add '18' to each side of the equation.
-18 + 18 + 3m = -42 + 18

Combine like terms: -18 + 18 = 0
0 + 3m = -42 + 18
3m = -42 + 18

Combine like terms: -42 + 18 = -24
3m = -24

Divide each side by '3'.
m = -8

Simplifying
m = -8

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