47.50=s+(s-15.50)

Solution for 47.50=s+(s-15.50) equation:

Simplifying
47.50 = s + (s + -15.50)

Reorder the terms:
47.50 = s + (-15.50 + s)

Remove parenthesis around (-15.50 + s)
47.50 = s + -15.50 + s

Reorder the terms:
47.50 = -15.50 + s + s

Combine like terms: s + s = 2s
47.50 = -15.50 + 2s

Solving
47.50 = -15.50 + 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.
47.50 + -2s = -15.50 + 2s + -2s

Combine like terms: 2s + -2s = 0
47.50 + -2s = -15.50 + 0
47.50 + -2s = -15.50

Add '-47.50' to each side of the equation.
47.50 + -47.50 + -2s = -15.50 + -47.50

Combine like terms: 47.50 + -47.50 = 0.00
0.00 + -2s = -15.50 + -47.50
-2s = -15.50 + -47.50

Combine like terms: -15.50 + -47.50 = -63
-2s = -63

Divide each side by '-2'.
s = 31.5

Simplifying
s = 31.5