-7=-m-9

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Solution for -7=-m-9 equation:


Simplifying
-7 = -1m + -9

Reorder the terms:
-7 = -9 + -1m

Solving
-7 = -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.
-7 + m = -9 + -1m + m

Combine like terms: -1m + m = 0
-7 + m = -9 + 0
-7 + m = -9

Add '7' to each side of the equation.
-7 + 7 + m = -9 + 7

Combine like terms: -7 + 7 = 0
0 + m = -9 + 7
m = -9 + 7

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

Simplifying
m = -2

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