-9=-m

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Solution for -9=-m equation:


Simplifying
-9 = -1m

Solving
-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.
-9 + m = -1m + m

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

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

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

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

Simplifying
m = 9

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