15s-3(2s+9)=-9

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Solution for 15s-3(2s+9)=-9 equation:


Simplifying
15s + -3(2s + 9) = -9

Reorder the terms:
15s + -3(9 + 2s) = -9
15s + (9 * -3 + 2s * -3) = -9
15s + (-27 + -6s) = -9

Reorder the terms:
-27 + 15s + -6s = -9

Combine like terms: 15s + -6s = 9s
-27 + 9s = -9

Solving
-27 + 9s = -9

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 + 9s = -9 + 27

Combine like terms: -27 + 27 = 0
0 + 9s = -9 + 27
9s = -9 + 27

Combine like terms: -9 + 27 = 18
9s = 18

Divide each side by '9'.
s = 2

Simplifying
s = 2

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