2s+t=r

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Solution for 2s+t=r equation: 


Simplifying
2s + t = r

Solving
2s + t = r

Solving for variable 's'.

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

Add '-1t' to each side of the equation.
2s + t + -1t = r + -1t

Combine like terms: t + -1t = 0
2s + 0 = r + -1t
2s = r + -1t

Divide each side by '2'.
s = 0.5r + -0.5t

Simplifying
s = 0.5r + -0.5t

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