9m-20=7+3m

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


Simplifying
9m + -20 = 7 + 3m

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

Solving
-20 + 9m = 7 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-20 + 9m + -3m = 7 + 3m + -3m

Combine like terms: 9m + -3m = 6m
-20 + 6m = 7 + 3m + -3m

Combine like terms: 3m + -3m = 0
-20 + 6m = 7 + 0
-20 + 6m = 7

Add '20' to each side of the equation.
-20 + 20 + 6m = 7 + 20

Combine like terms: -20 + 20 = 0
0 + 6m = 7 + 20
6m = 7 + 20

Combine like terms: 7 + 20 = 27
6m = 27

Divide each side by '6'.
m = 4.5

Simplifying
m = 4.5

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