7+2m-3=9m+20-5m

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Solution for 7+2m-3=9m+20-5m equation:


Simplifying
7 + 2m + -3 = 9m + 20 + -5m

Reorder the terms:
7 + -3 + 2m = 9m + 20 + -5m

Combine like terms: 7 + -3 = 4
4 + 2m = 9m + 20 + -5m

Reorder the terms:
4 + 2m = 20 + 9m + -5m

Combine like terms: 9m + -5m = 4m
4 + 2m = 20 + 4m

Solving
4 + 2m = 20 + 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.
4 + 2m + -4m = 20 + 4m + -4m

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

Combine like terms: 4m + -4m = 0
4 + -2m = 20 + 0
4 + -2m = 20

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

Combine like terms: 4 + -4 = 0
0 + -2m = 20 + -4
-2m = 20 + -4

Combine like terms: 20 + -4 = 16
-2m = 16

Divide each side by '-2'.
m = -8

Simplifying
m = -8

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