-(15-3s)-(9s+5)=28

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Solution for -(15-3s)-(9s+5)=28 equation:


Simplifying
-1(15 + -3s) + -1(9s + 5) = 28
(15 * -1 + -3s * -1) + -1(9s + 5) = 28
(-15 + 3s) + -1(9s + 5) = 28

Reorder the terms:
-15 + 3s + -1(5 + 9s) = 28
-15 + 3s + (5 * -1 + 9s * -1) = 28
-15 + 3s + (-5 + -9s) = 28

Reorder the terms:
-15 + -5 + 3s + -9s = 28

Combine like terms: -15 + -5 = -20
-20 + 3s + -9s = 28

Combine like terms: 3s + -9s = -6s
-20 + -6s = 28

Solving
-20 + -6s = 28

Solving for variable 's'.

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

Add '20' to each side of the equation.
-20 + 20 + -6s = 28 + 20

Combine like terms: -20 + 20 = 0
0 + -6s = 28 + 20
-6s = 28 + 20

Combine like terms: 28 + 20 = 48
-6s = 48

Divide each side by '-6'.
s = -8

Simplifying
s = -8

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