20+3s=s-20

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Solution for 20+3s=s-20 equation:


Simplifying
20 + 3s = s + -20

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

Solving
20 + 3s = -20 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
20 + 3s + -1s = -20 + s + -1s

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

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

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

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

Combine like terms: -20 + -20 = -40
2s = -40

Divide each side by '2'.
s = -20

Simplifying
s = -20

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