3(s-12)+9=15

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Solution for 3(s-12)+9=15 equation:


Simplifying
3(s + -12) + 9 = 15

Reorder the terms:
3(-12 + s) + 9 = 15
(-12 * 3 + s * 3) + 9 = 15
(-36 + 3s) + 9 = 15

Reorder the terms:
-36 + 9 + 3s = 15

Combine like terms: -36 + 9 = -27
-27 + 3s = 15

Solving
-27 + 3s = 15

Solving for variable 's'.

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

Add '27' to each side of the equation.
-27 + 27 + 3s = 15 + 27

Combine like terms: -27 + 27 = 0
0 + 3s = 15 + 27
3s = 15 + 27

Combine like terms: 15 + 27 = 42
3s = 42

Divide each side by '3'.
s = 14

Simplifying
s = 14

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