3m+5=21

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Solution for 3m+5=21 equation: 


Simplifying
3m + 5 = 21

Reorder the terms:
5 + 3m = 21

Solving
5 + 3m = 21

Solving for variable 'm'.

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

Add '-5' to each side of the equation.
5 + -5 + 3m = 21 + -5

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

Combine like terms: 21 + -5 = 16
3m = 16

Divide each side by '3'.
m = 5.333333333

Simplifying
m = 5.333333333

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