Simplifying
x + 8.5 = 64.5
Reorder the terms:
8.5 + x = 64.5
Solving
8.5 + x = 64.5
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8.5' to each side of the equation.
8.5 + -8.5 + x = 64.5 + -8.5
Combine like terms:
8.5 + -8.5 = 0.0
0.0 + x = 64.5 + -8.5
x = 64.5 + -8.5
Combine like terms: 64.5 + -8.5 = 56
x = 56
Simplifying x = 56