s-s+2s-1=19

Solution for s-s+2s-1=19 equation:

Simplifying
s + -1s + 2s + -1 = 19

Reorder the terms:
-1 + s + -1s + 2s = 19

Combine like terms: s + -1s = 0
-1 + 0 + 2s = 19
-1 + 2s = 19

Solving
-1 + 2s = 19

Solving for variable 's'.

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

Add '1' to each side of the equation.
-1 + 1 + 2s = 19 + 1

Combine like terms: -1 + 1 = 0
0 + 2s = 19 + 1
2s = 19 + 1

Combine like terms: 19 + 1 = 20
2s = 20

Divide each side by '2'.
s = 10

Simplifying
s = 10