s=15-2s

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Solution for s=15-2s equation: 


Simplifying
s = 15 + -2s

Solving
s = 15 + -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.
s + 2s = 15 + -2s + 2s

Combine like terms: s + 2s = 3s
3s = 15 + -2s + 2s

Combine like terms: -2s + 2s = 0
3s = 15 + 0
3s = 15

Divide each side by '3'.
s = 5

Simplifying
s = 5

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