20m-13=20+9m

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Solution for 20m-13=20+9m equation:


Simplifying
20m + -13 = 20 + 9m

Reorder the terms:
-13 + 20m = 20 + 9m

Solving
-13 + 20m = 20 + 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
-13 + 20m + -9m = 20 + 9m + -9m

Combine like terms: 20m + -9m = 11m
-13 + 11m = 20 + 9m + -9m

Combine like terms: 9m + -9m = 0
-13 + 11m = 20 + 0
-13 + 11m = 20

Add '13' to each side of the equation.
-13 + 13 + 11m = 20 + 13

Combine like terms: -13 + 13 = 0
0 + 11m = 20 + 13
11m = 20 + 13

Combine like terms: 20 + 13 = 33
11m = 33

Divide each side by '11'.
m = 3

Simplifying
m = 3

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