9s+20=128

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Solution for 9s+20=128 equation: 


Simplifying
9s + 20 = 128

Reorder the terms:
20 + 9s = 128

Solving
20 + 9s = 128

Solving for variable 's'.

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

Add '-20' to each side of the equation.
20 + -20 + 9s = 128 + -20

Combine like terms: 20 + -20 = 0
0 + 9s = 128 + -20
9s = 128 + -20

Combine like terms: 128 + -20 = 108
9s = 108

Divide each side by '9'.
s = 12

Simplifying
s = 12

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