4.5=-3+x

Solution for 4.5=-3+x equation:

Simplifying
4.5 = -3 + x

Solving
4.5 = -3 + 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.
4.5 + -1x = -3 + x + -1x

Combine like terms: x + -1x = 0
4.5 + -1x = -3 + 0
4.5 + -1x = -3

Add '-4.5' to each side of the equation.
4.5 + -4.5 + -1x = -3 + -4.5

Combine like terms: 4.5 + -4.5 = 0.0
0.0 + -1x = -3 + -4.5
-1x = -3 + -4.5

Combine like terms: -3 + -4.5 = -7.5
-1x = -7.5

Divide each side by '-1'.
x = 7.5

Simplifying
x = 7.5