15.3=x-5.5

Solution for 15.3=x-5.5 equation:

Simplifying
15.3 = x + -5.5

Reorder the terms:
15.3 = -5.5 + x

Solving
15.3 = -5.5 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
15.3 + -1x = -5.5 + x + -1x

Combine like terms: x + -1x = 0
15.3 + -1x = -5.5 + 0
15.3 + -1x = -5.5

Add '-15.3' to each side of the equation.
15.3 + -15.3 + -1x = -5.5 + -15.3

Combine like terms: 15.3 + -15.3 = 0.0
0.0 + -1x = -5.5 + -15.3
-1x = -5.5 + -15.3

Combine like terms: -5.5 + -15.3 = -20.8
-1x = -20.8

Divide each side by '-1'.
x = 20.8

Simplifying
x = 20.8