-15=-(-s+6)+3(4+2s)

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Solution for -15=-(-s+6)+3(4+2s) equation:


Simplifying
-15 = -1(-1s + 6) + 3(4 + 2s)

Reorder the terms:
-15 = -1(6 + -1s) + 3(4 + 2s)
-15 = (6 * -1 + -1s * -1) + 3(4 + 2s)
-15 = (-6 + 1s) + 3(4 + 2s)
-15 = -6 + 1s + (4 * 3 + 2s * 3)
-15 = -6 + 1s + (12 + 6s)

Reorder the terms:
-15 = -6 + 12 + 1s + 6s

Combine like terms: -6 + 12 = 6
-15 = 6 + 1s + 6s

Combine like terms: 1s + 6s = 7s
-15 = 6 + 7s

Solving
-15 = 6 + 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.
-15 + -7s = 6 + 7s + -7s

Combine like terms: 7s + -7s = 0
-15 + -7s = 6 + 0
-15 + -7s = 6

Add '15' to each side of the equation.
-15 + 15 + -7s = 6 + 15

Combine like terms: -15 + 15 = 0
0 + -7s = 6 + 15
-7s = 6 + 15

Combine like terms: 6 + 15 = 21
-7s = 21

Divide each side by '-7'.
s = -3

Simplifying
s = -3

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