3s-100=2s-20

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Solution for 3s-100=2s-20 equation:


Simplifying
3s + -100 = 2s + -20

Reorder the terms:
-100 + 3s = 2s + -20

Reorder the terms:
-100 + 3s = -20 + 2s

Solving
-100 + 3s = -20 + 2s

Solving for variable 's'.

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

Add '-2s' to each side of the equation.
-100 + 3s + -2s = -20 + 2s + -2s

Combine like terms: 3s + -2s = 1s
-100 + 1s = -20 + 2s + -2s

Combine like terms: 2s + -2s = 0
-100 + 1s = -20 + 0
-100 + 1s = -20

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

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

Combine like terms: -20 + 100 = 80
1s = 80

Divide each side by '1'.
s = 80

Simplifying
s = 80

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