-18s-20-2s=20+4(-8s+20)

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Solution for -18s-20-2s=20+4(-8s+20) equation:


Simplifying
-18s + -20 + -2s = 20 + 4(-8s + 20)

Reorder the terms:
-20 + -18s + -2s = 20 + 4(-8s + 20)

Combine like terms: -18s + -2s = -20s
-20 + -20s = 20 + 4(-8s + 20)

Reorder the terms:
-20 + -20s = 20 + 4(20 + -8s)
-20 + -20s = 20 + (20 * 4 + -8s * 4)
-20 + -20s = 20 + (80 + -32s)

Combine like terms: 20 + 80 = 100
-20 + -20s = 100 + -32s

Solving
-20 + -20s = 100 + -32s

Solving for variable 's'.

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

Add '32s' to each side of the equation.
-20 + -20s + 32s = 100 + -32s + 32s

Combine like terms: -20s + 32s = 12s
-20 + 12s = 100 + -32s + 32s

Combine like terms: -32s + 32s = 0
-20 + 12s = 100 + 0
-20 + 12s = 100

Add '20' to each side of the equation.
-20 + 20 + 12s = 100 + 20

Combine like terms: -20 + 20 = 0
0 + 12s = 100 + 20
12s = 100 + 20

Combine like terms: 100 + 20 = 120
12s = 120

Divide each side by '12'.
s = 10

Simplifying
s = 10

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