3+3m-1=7m+20-2m

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Solution for 3+3m-1=7m+20-2m equation:


Simplifying
3 + 3m + -1 = 7m + 20 + -2m

Reorder the terms:
3 + -1 + 3m = 7m + 20 + -2m

Combine like terms: 3 + -1 = 2
2 + 3m = 7m + 20 + -2m

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

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

Solving
2 + 3m = 20 + 5m

Solving for variable 'm'.

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

Add '-5m' to each side of the equation.
2 + 3m + -5m = 20 + 5m + -5m

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

Combine like terms: 5m + -5m = 0
2 + -2m = 20 + 0
2 + -2m = 20

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

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

Combine like terms: 20 + -2 = 18
-2m = 18

Divide each side by '-2'.
m = -9

Simplifying
m = -9

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