9m+90=2m-4

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Solution for 9m+90=2m-4 equation:


Simplifying
9m + 90 = 2m + -4

Reorder the terms:
90 + 9m = 2m + -4

Reorder the terms:
90 + 9m = -4 + 2m

Solving
90 + 9m = -4 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
90 + 9m + -2m = -4 + 2m + -2m

Combine like terms: 9m + -2m = 7m
90 + 7m = -4 + 2m + -2m

Combine like terms: 2m + -2m = 0
90 + 7m = -4 + 0
90 + 7m = -4

Add '-90' to each side of the equation.
90 + -90 + 7m = -4 + -90

Combine like terms: 90 + -90 = 0
0 + 7m = -4 + -90
7m = -4 + -90

Combine like terms: -4 + -90 = -94
7m = -94

Divide each side by '7'.
m = -13.42857143

Simplifying
m = -13.42857143

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