3m+m+5=15

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Solution for 3m+m+5=15 equation: 


Simplifying
3m + m + 5 = 15

Reorder the terms:
5 + 3m + m = 15

Combine like terms: 3m + m = 4m
5 + 4m = 15

Solving
5 + 4m = 15

Solving for variable 'm'.

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

Add '-5' to each side of the equation.
5 + -5 + 4m = 15 + -5

Combine like terms: 5 + -5 = 0
0 + 4m = 15 + -5
4m = 15 + -5

Combine like terms: 15 + -5 = 10
4m = 10

Divide each side by '4'.
m = 2.5

Simplifying
m = 2.5

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