13.6=y-7.5

Solution for 13.6=y-7.5 equation:

Simplifying
13.6 = y + -7.5

Reorder the terms:
13.6 = -7.5 + y

Solving
13.6 = -7.5 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
13.6 + -1y = -7.5 + y + -1y

Combine like terms: y + -1y = 0
13.6 + -1y = -7.5 + 0
13.6 + -1y = -7.5

Add '-13.6' to each side of the equation.
13.6 + -13.6 + -1y = -7.5 + -13.6

Combine like terms: 13.6 + -13.6 = 0.0
0.0 + -1y = -7.5 + -13.6
-1y = -7.5 + -13.6

Combine like terms: -7.5 + -13.6 = -21.1
-1y = -21.1

Divide each side by '-1'.
y = 21.1

Simplifying
y = 21.1