7m-9=16m-90

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Solution for 7m-9=16m-90 equation:


Simplifying
7m + -9 = 16m + -90

Reorder the terms:
-9 + 7m = 16m + -90

Reorder the terms:
-9 + 7m = -90 + 16m

Solving
-9 + 7m = -90 + 16m

Solving for variable 'm'.

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

Add '-16m' to each side of the equation.
-9 + 7m + -16m = -90 + 16m + -16m

Combine like terms: 7m + -16m = -9m
-9 + -9m = -90 + 16m + -16m

Combine like terms: 16m + -16m = 0
-9 + -9m = -90 + 0
-9 + -9m = -90

Add '9' to each side of the equation.
-9 + 9 + -9m = -90 + 9

Combine like terms: -9 + 9 = 0
0 + -9m = -90 + 9
-9m = -90 + 9

Combine like terms: -90 + 9 = -81
-9m = -81

Divide each side by '-9'.
m = 9

Simplifying
m = 9

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