-3(2s-4)-12=-3(7s+5)-4

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Solution for -3(2s-4)-12=-3(7s+5)-4 equation:


Simplifying
-3(2s + -4) + -12 = -3(7s + 5) + -4

Reorder the terms:
-3(-4 + 2s) + -12 = -3(7s + 5) + -4
(-4 * -3 + 2s * -3) + -12 = -3(7s + 5) + -4
(12 + -6s) + -12 = -3(7s + 5) + -4

Reorder the terms:
12 + -12 + -6s = -3(7s + 5) + -4

Combine like terms: 12 + -12 = 0
0 + -6s = -3(7s + 5) + -4
-6s = -3(7s + 5) + -4

Reorder the terms:
-6s = -3(5 + 7s) + -4
-6s = (5 * -3 + 7s * -3) + -4
-6s = (-15 + -21s) + -4

Reorder the terms:
-6s = -15 + -4 + -21s

Combine like terms: -15 + -4 = -19
-6s = -19 + -21s

Solving
-6s = -19 + -21s

Solving for variable 's'.

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

Add '21s' to each side of the equation.
-6s + 21s = -19 + -21s + 21s

Combine like terms: -6s + 21s = 15s
15s = -19 + -21s + 21s

Combine like terms: -21s + 21s = 0
15s = -19 + 0
15s = -19

Divide each side by '15'.
s = -1.266666667

Simplifying
s = -1.266666667

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