.5s+.5s+3=20+2s

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Solution for .5s+.5s+3=20+2s equation:


Simplifying
0.5s + 0.5s + 3 = 20 + 2s

Reorder the terms:
3 + 0.5s + 0.5s = 20 + 2s

Combine like terms: 0.5s + 0.5s = 1s
3 + 1s = 20 + 2s

Solving
3 + 1s = 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.
3 + 1s + -2s = 20 + 2s + -2s

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

Combine like terms: 2s + -2s = 0
3 + -1s = 20 + 0
3 + -1s = 20

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

Combine like terms: 3 + -3 = 0
0 + -1s = 20 + -3
-1s = 20 + -3

Combine like terms: 20 + -3 = 17
-1s = 17

Divide each side by '-1'.
s = -17

Simplifying
s = -17

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