3(s+3)=72

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Solution for 3(s+3)=72 equation: 


Simplifying
3(s + 3) = 72

Reorder the terms:
3(3 + s) = 72
(3 * 3 + s * 3) = 72
(9 + 3s) = 72

Solving
9 + 3s = 72

Solving for variable 's'.

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

Add '-9' to each side of the equation.
9 + -9 + 3s = 72 + -9

Combine like terms: 9 + -9 = 0
0 + 3s = 72 + -9
3s = 72 + -9

Combine like terms: 72 + -9 = 63
3s = 63

Divide each side by '3'.
s = 21

Simplifying
s = 21

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