-1=8-9m

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Solution for -1=8-9m equation:


Simplifying
-1 = 8 + -9m

Solving
-1 = 8 + -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.
-1 + 9m = 8 + -9m + 9m

Combine like terms: -9m + 9m = 0
-1 + 9m = 8 + 0
-1 + 9m = 8

Add '1' to each side of the equation.
-1 + 1 + 9m = 8 + 1

Combine like terms: -1 + 1 = 0
0 + 9m = 8 + 1
9m = 8 + 1

Combine like terms: 8 + 1 = 9
9m = 9

Divide each side by '9'.
m = 1

Simplifying
m = 1

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