14=s-s+2s+s-s

Solution for 14=s-s+2s+s-s equation:

Simplifying
14 = s + -1s + 2s + s + -1s

Combine like terms: s + -1s = 0
14 = 0 + 2s + s + -1s
14 = 2s + s + -1s

Combine like terms: 2s + s = 3s
14 = 3s + -1s

Combine like terms: 3s + -1s = 2s
14 = 2s

Solving
14 = 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.
14 + -2s = 2s + -2s

Combine like terms: 2s + -2s = 0
14 + -2s = 0

Add '-14' to each side of the equation.
14 + -14 + -2s = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -2s = 0 + -14
-2s = 0 + -14

Combine like terms: 0 + -14 = -14
-2s = -14

Divide each side by '-2'.
s = 7

Simplifying
s = 7