-x+s=2s

Solution for -x+s=2s equation:

Simplifying
-1x + s = 2s

Reorder the terms:
s + -1x = 2s

Solving
s + -1x = 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 + -1x = 2s + -2s

Combine like terms: s + -2s = -1s
-1s + -1x = 2s + -2s

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

Add 'x' to each side of the equation.
-1s + -1x + x = 0 + x

Combine like terms: -1x + x = 0
-1s + 0 = 0 + x
-1s = 0 + x
Remove the zero:
-1s = x

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

Simplifying
s = -1x