4s-20=100-s

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Solution for 4s-20=100-s equation:


Simplifying
4s + -20 = 100 + -1s

Reorder the terms:
-20 + 4s = 100 + -1s

Solving
-20 + 4s = 100 + -1s

Solving for variable 's'.

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

Add 's' to each side of the equation.
-20 + 4s + s = 100 + -1s + s

Combine like terms: 4s + s = 5s
-20 + 5s = 100 + -1s + s

Combine like terms: -1s + s = 0
-20 + 5s = 100 + 0
-20 + 5s = 100

Add '20' to each side of the equation.
-20 + 20 + 5s = 100 + 20

Combine like terms: -20 + 20 = 0
0 + 5s = 100 + 20
5s = 100 + 20

Combine like terms: 100 + 20 = 120
5s = 120

Divide each side by '5'.
s = 24

Simplifying
s = 24

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