15+m=120

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Solution for 15+m=120 equation: 


Simplifying
15 + m = 120

Solving
15 + m = 120

Solving for variable 'm'.

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

Add '-15' to each side of the equation.
15 + -15 + m = 120 + -15

Combine like terms: 15 + -15 = 0
0 + m = 120 + -15
m = 120 + -15

Combine like terms: 120 + -15 = 105
m = 105

Simplifying
m = 105

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