123.45-36.55=x

Solution for 123.45-36.55=x equation:

Simplifying
123.45 + -36.55 = x

Combine like terms: 123.45 + -36.55 = 86.9
86.9 = x

Solving
86.9 = 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.
86.9 + -1x = x + -1x

Combine like terms: x + -1x = 0
86.9 + -1x = 0

Add '-86.9' to each side of the equation.
86.9 + -86.9 + -1x = 0 + -86.9

Combine like terms: 86.9 + -86.9 = 0.0
0.0 + -1x = 0 + -86.9
-1x = 0 + -86.9

Combine like terms: 0 + -86.9 = -86.9
-1x = -86.9

Divide each side by '-1'.
x = 86.9

Simplifying
x = 86.9