8m-9=9+9m

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Solution for 8m-9=9+9m equation:


Simplifying
8m + -9 = 9 + 9m

Reorder the terms:
-9 + 8m = 9 + 9m

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

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

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

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

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

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

Divide each side by '-1'.
m = -18

Simplifying
m = -18

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