-18=-m-9

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Solution for -18=-m-9 equation:


Simplifying
-18 = -1m + -9

Reorder the terms:
-18 = -9 + -1m

Solving
-18 = -9 + -1m

Solving for variable 'm'.

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

Add 'm' to each side of the equation.
-18 + m = -9 + -1m + m

Combine like terms: -1m + m = 0
-18 + m = -9 + 0
-18 + m = -9

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

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

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

Simplifying
m = 9

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