3m+20=4m+13

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Solution for 3m+20=4m+13 equation:


Simplifying
3m + 20 = 4m + 13

Reorder the terms:
20 + 3m = 4m + 13

Reorder the terms:
20 + 3m = 13 + 4m

Solving
20 + 3m = 13 + 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 + 3m + -4m = 13 + 4m + -4m

Combine like terms: 3m + -4m = -1m
20 + -1m = 13 + 4m + -4m

Combine like terms: 4m + -4m = 0
20 + -1m = 13 + 0
20 + -1m = 13

Add '-20' to each side of the equation.
20 + -20 + -1m = 13 + -20

Combine like terms: 20 + -20 = 0
0 + -1m = 13 + -20
-1m = 13 + -20

Combine like terms: 13 + -20 = -7
-1m = -7

Divide each side by '-1'.
m = 7

Simplifying
m = 7

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