80.50=5s+2s

Solution for 80.50=5s+2s equation:

Simplifying
80.50 = 5s + 2s

Combine like terms: 5s + 2s = 7s
80.50 = 7s

Solving
80.50 = 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
80.50 + -7s = 7s + -7s

Combine like terms: 7s + -7s = 0
80.50 + -7s = 0

Add '-80.50' to each side of the equation.
80.50 + -80.50 + -7s = 0 + -80.50

Combine like terms: 80.50 + -80.50 = 0.00
0.00 + -7s = 0 + -80.50
-7s = 0 + -80.50

Combine like terms: 0 + -80.50 = -80.5
-7s = -80.5

Divide each side by '-7'.
s = 11.5

Simplifying
s = 11.5