7m+5=21-3m

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Solution for 7m+5=21-3m equation:


Simplifying
7m + 5 = 21 + -3m

Reorder the terms:
5 + 7m = 21 + -3m

Solving
5 + 7m = 21 + -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.
5 + 7m + 3m = 21 + -3m + 3m

Combine like terms: 7m + 3m = 10m
5 + 10m = 21 + -3m + 3m

Combine like terms: -3m + 3m = 0
5 + 10m = 21 + 0
5 + 10m = 21

Add '-5' to each side of the equation.
5 + -5 + 10m = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 10m = 21 + -5
10m = 21 + -5

Combine like terms: 21 + -5 = 16
10m = 16

Divide each side by '10'.
m = 1.6

Simplifying
m = 1.6

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