90=15+3m

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Solution for 90=15+3m equation:


Simplifying
90 = 15 + 3m

Solving
90 = 15 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
90 + -3m = 15 + 3m + -3m

Combine like terms: 3m + -3m = 0
90 + -3m = 15 + 0
90 + -3m = 15

Add '-90' to each side of the equation.
90 + -90 + -3m = 15 + -90

Combine like terms: 90 + -90 = 0
0 + -3m = 15 + -90
-3m = 15 + -90

Combine like terms: 15 + -90 = -75
-3m = -75

Divide each side by '-3'.
m = 25

Simplifying
m = 25

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