7+m-13+21=5m

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Solution for 7+m-13+21=5m equation:


Simplifying
7 + m + -13 + 21 = 5m

Reorder the terms:
7 + -13 + 21 + m = 5m

Combine like terms: 7 + -13 = -6
-6 + 21 + m = 5m

Combine like terms: -6 + 21 = 15
15 + m = 5m

Solving
15 + m = 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.
15 + m + -5m = 5m + -5m

Combine like terms: m + -5m = -4m
15 + -4m = 5m + -5m

Combine like terms: 5m + -5m = 0
15 + -4m = 0

Add '-15' to each side of the equation.
15 + -15 + -4m = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -4m = 0 + -15
-4m = 0 + -15

Combine like terms: 0 + -15 = -15
-4m = -15

Divide each side by '-4'.
m = 3.75

Simplifying
m = 3.75

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