13s-18s=20

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Solution for 13s-18s=20 equation: 


Simplifying
13s + -18s = 20

Combine like terms: 13s + -18s = -5s
-5s = 20

Solving
-5s = 20

Solving for variable 's'.

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

Divide each side by '-5'.
s = -4

Simplifying
s = -4

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