-20=9s+7

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Solution for -20=9s+7 equation:


Simplifying
-20 = 9s + 7

Reorder the terms:
-20 = 7 + 9s

Solving
-20 = 7 + 9s

Solving for variable 's'.

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

Add '-9s' to each side of the equation.
-20 + -9s = 7 + 9s + -9s

Combine like terms: 9s + -9s = 0
-20 + -9s = 7 + 0
-20 + -9s = 7

Add '20' to each side of the equation.
-20 + 20 + -9s = 7 + 20

Combine like terms: -20 + 20 = 0
0 + -9s = 7 + 20
-9s = 7 + 20

Combine like terms: 7 + 20 = 27
-9s = 27

Divide each side by '-9'.
s = -3

Simplifying
s = -3

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