4s-20=9s

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Solution for 4s-20=9s equation:


Simplifying
4s + -20 = 9s

Reorder the terms:
-20 + 4s = 9s

Solving
-20 + 4s = 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 + 4s + -9s = 9s + -9s

Combine like terms: 4s + -9s = -5s
-20 + -5s = 9s + -9s

Combine like terms: 9s + -9s = 0
-20 + -5s = 0

Add '20' to each side of the equation.
-20 + 20 + -5s = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -5s = 0 + 20
-5s = 0 + 20

Combine like terms: 0 + 20 = 20
-5s = 20

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

Simplifying
s = -4

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