-20=2+8(s+7)

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Solution for -20=2+8(s+7) equation:


Simplifying
-20 = 2 + 8(s + 7)

Reorder the terms:
-20 = 2 + 8(7 + s)
-20 = 2 + (7 * 8 + s * 8)
-20 = 2 + (56 + 8s)

Combine like terms: 2 + 56 = 58
-20 = 58 + 8s

Solving
-20 = 58 + 8s

Solving for variable 's'.

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

Add '-8s' to each side of the equation.
-20 + -8s = 58 + 8s + -8s

Combine like terms: 8s + -8s = 0
-20 + -8s = 58 + 0
-20 + -8s = 58

Add '20' to each side of the equation.
-20 + 20 + -8s = 58 + 20

Combine like terms: -20 + 20 = 0
0 + -8s = 58 + 20
-8s = 58 + 20

Combine like terms: 58 + 20 = 78
-8s = 78

Divide each side by '-8'.
s = -9.75

Simplifying
s = -9.75

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