=9x+7-13-2s

Solution for =9x+7-13-2s equation:

Simplifying
0 = 9x + 7 + -13 + -2s

Reorder the terms:
0 = 7 + -13 + -2s + 9x

Combine like terms: 7 + -13 = -6
0 = -6 + -2s + 9x

Solving
0 = -6 + -2s + 9x

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.
0 + 2s = -6 + -2s + 2s + 9x
Remove the zero:
2s = -6 + -2s + 2s + 9x

Combine like terms: -2s + 2s = 0
2s = -6 + 0 + 9x
2s = -6 + 9x

Divide each side by '2'.
s = -3 + 4.5x

Simplifying
s = -3 + 4.5x