18=-2m-7m

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Solution for 18=-2m-7m equation:


Simplifying
18 = -2m + -7m

Combine like terms: -2m + -7m = -9m
18 = -9m

Solving
18 = -9m

Solving for variable 'm'.

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

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

Combine like terms: -9m + 9m = 0
18 + 9m = 0

Add '-18' to each side of the equation.
18 + -18 + 9m = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 9m = 0 + -18
9m = 0 + -18

Combine like terms: 0 + -18 = -18
9m = -18

Divide each side by '9'.
m = -2

Simplifying
m = -2

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