3m+m-4=8

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Solution for 3m+m-4=8 equation: 


Simplifying
3m + m + -4 = 8

Reorder the terms:
-4 + 3m + m = 8

Combine like terms: 3m + m = 4m
-4 + 4m = 8

Solving
-4 + 4m = 8

Solving for variable 'm'.

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

Add '4' to each side of the equation.
-4 + 4 + 4m = 8 + 4

Combine like terms: -4 + 4 = 0
0 + 4m = 8 + 4
4m = 8 + 4

Combine like terms: 8 + 4 = 12
4m = 12

Divide each side by '4'.
m = 3

Simplifying
m = 3

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