4.5-6.3=x

Solution for 4.5-6.3=x equation:

Simplifying
4.5 + -6.3 = x

Combine like terms: 4.5 + -6.3 = -1.8
-1.8 = x

Solving
-1.8 = 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.
-1.8 + -1x = x + -1x

Combine like terms: x + -1x = 0
-1.8 + -1x = 0

Add '1.8' to each side of the equation.
-1.8 + 1.8 + -1x = 0 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + -1x = 0 + 1.8
-1x = 0 + 1.8

Combine like terms: 0 + 1.8 = 1.8
-1x = 1.8

Divide each side by '-1'.
x = -1.8

Simplifying
x = -1.8