m+(m-3)+2m=57

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Solution for m+(m-3)+2m=57 equation:


Simplifying
m + (m + -3) + 2m = 57

Reorder the terms:
m + (-3 + m) + 2m = 57

Remove parenthesis around (-3 + m)
m + -3 + m + 2m = 57

Reorder the terms:
-3 + m + m + 2m = 57

Combine like terms: m + m = 2m
-3 + 2m + 2m = 57

Combine like terms: 2m + 2m = 4m
-3 + 4m = 57

Solving
-3 + 4m = 57

Solving for variable 'm'.

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

Add '3' to each side of the equation.
-3 + 3 + 4m = 57 + 3

Combine like terms: -3 + 3 = 0
0 + 4m = 57 + 3
4m = 57 + 3

Combine like terms: 57 + 3 = 60
4m = 60

Divide each side by '4'.
m = 15

Simplifying
m = 15

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