7m+20-5m=40-4m

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Solution for 7m+20-5m=40-4m equation:


Simplifying
7m + 20 + -5m = 40 + -4m

Reorder the terms:
20 + 7m + -5m = 40 + -4m

Combine like terms: 7m + -5m = 2m
20 + 2m = 40 + -4m

Solving
20 + 2m = 40 + -4m

Solving for variable 'm'.

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

Add '4m' to each side of the equation.
20 + 2m + 4m = 40 + -4m + 4m

Combine like terms: 2m + 4m = 6m
20 + 6m = 40 + -4m + 4m

Combine like terms: -4m + 4m = 0
20 + 6m = 40 + 0
20 + 6m = 40

Add '-20' to each side of the equation.
20 + -20 + 6m = 40 + -20

Combine like terms: 20 + -20 = 0
0 + 6m = 40 + -20
6m = 40 + -20

Combine like terms: 40 + -20 = 20
6m = 20

Divide each side by '6'.
m = 3.333333333

Simplifying
m = 3.333333333

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