9s-28=-20+s

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Solution for 9s-28=-20+s equation:


Simplifying
9s + -28 = -20 + s

Reorder the terms:
-28 + 9s = -20 + s

Solving
-28 + 9s = -20 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
-28 + 9s + -1s = -20 + s + -1s

Combine like terms: 9s + -1s = 8s
-28 + 8s = -20 + s + -1s

Combine like terms: s + -1s = 0
-28 + 8s = -20 + 0
-28 + 8s = -20

Add '28' to each side of the equation.
-28 + 28 + 8s = -20 + 28

Combine like terms: -28 + 28 = 0
0 + 8s = -20 + 28
8s = -20 + 28

Combine like terms: -20 + 28 = 8
8s = 8

Divide each side by '8'.
s = 1

Simplifying
s = 1

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