-2(5s-6)-12=-2(8s+9)-3

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Solution for -2(5s-6)-12=-2(8s+9)-3 equation:


Simplifying
-2(5s + -6) + -12 = -2(8s + 9) + -3

Reorder the terms:
-2(-6 + 5s) + -12 = -2(8s + 9) + -3
(-6 * -2 + 5s * -2) + -12 = -2(8s + 9) + -3
(12 + -10s) + -12 = -2(8s + 9) + -3

Reorder the terms:
12 + -12 + -10s = -2(8s + 9) + -3

Combine like terms: 12 + -12 = 0
0 + -10s = -2(8s + 9) + -3
-10s = -2(8s + 9) + -3

Reorder the terms:
-10s = -2(9 + 8s) + -3
-10s = (9 * -2 + 8s * -2) + -3
-10s = (-18 + -16s) + -3

Reorder the terms:
-10s = -18 + -3 + -16s

Combine like terms: -18 + -3 = -21
-10s = -21 + -16s

Solving
-10s = -21 + -16s

Solving for variable 's'.

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

Add '16s' to each side of the equation.
-10s + 16s = -21 + -16s + 16s

Combine like terms: -10s + 16s = 6s
6s = -21 + -16s + 16s

Combine like terms: -16s + 16s = 0
6s = -21 + 0
6s = -21

Divide each side by '6'.
s = -3.5

Simplifying
s = -3.5

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