13=3s-4(23-s)

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Solution for 13=3s-4(23-s) equation:


Simplifying
13 = 3s + -4(23 + -1s)
13 = 3s + (23 * -4 + -1s * -4)
13 = 3s + (-92 + 4s)

Reorder the terms:
13 = -92 + 3s + 4s

Combine like terms: 3s + 4s = 7s
13 = -92 + 7s

Solving
13 = -92 + 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
13 + -7s = -92 + 7s + -7s

Combine like terms: 7s + -7s = 0
13 + -7s = -92 + 0
13 + -7s = -92

Add '-13' to each side of the equation.
13 + -13 + -7s = -92 + -13

Combine like terms: 13 + -13 = 0
0 + -7s = -92 + -13
-7s = -92 + -13

Combine like terms: -92 + -13 = -105
-7s = -105

Divide each side by '-7'.
s = 15

Simplifying
s = 15

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