3(m+8)=21

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Solution for 3(m+8)=21 equation: 


Simplifying
3(m + 8) = 21

Reorder the terms:
3(8 + m) = 21
(8 * 3 + m * 3) = 21
(24 + 3m) = 21

Solving
24 + 3m = 21

Solving for variable 'm'.

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

Add '-24' to each side of the equation.
24 + -24 + 3m = 21 + -24

Combine like terms: 24 + -24 = 0
0 + 3m = 21 + -24
3m = 21 + -24

Combine like terms: 21 + -24 = -3
3m = -3

Divide each side by '3'.
m = -1

Simplifying
m = -1

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