4m+12-5m+15=20

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Solution for 4m+12-5m+15=20 equation:


Simplifying
4m + 12 + -5m + 15 = 20

Reorder the terms:
12 + 15 + 4m + -5m = 20

Combine like terms: 12 + 15 = 27
27 + 4m + -5m = 20

Combine like terms: 4m + -5m = -1m
27 + -1m = 20

Solving
27 + -1m = 20

Solving for variable 'm'.

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

Add '-27' to each side of the equation.
27 + -27 + -1m = 20 + -27

Combine like terms: 27 + -27 = 0
0 + -1m = 20 + -27
-1m = 20 + -27

Combine like terms: 20 + -27 = -7
-1m = -7

Divide each side by '-1'.
m = 7

Simplifying
m = 7

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