9s-4s=20

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Solution for 9s-4s=20 equation: 


Simplifying
9s + -4s = 20

Combine like terms: 9s + -4s = 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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