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 = 18
2s = 18

Divide each side by '2'.
s = 9

Simplifying
s = 9