1099.95-389.85=x

Solution for 1099.95-389.85=x equation:

Simplifying
1099.95 + -389.85 = x

Combine like terms: 1099.95 + -389.85 = 710.1
710.1 = x

Solving
710.1 = 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.
710.1 + -1x = x + -1x

Combine like terms: x + -1x = 0
710.1 + -1x = 0

Add '-710.1' to each side of the equation.
710.1 + -710.1 + -1x = 0 + -710.1

Combine like terms: 710.1 + -710.1 = 0.0
0.0 + -1x = 0 + -710.1
-1x = 0 + -710.1

Combine like terms: 0 + -710.1 = -710.1
-1x = -710.1

Divide each side by '-1'.
x = 710.1

Simplifying
x = 710.1