6.4-x+4.8=-.3

Solution for 6.4-x+4.8=-.3 equation:

Simplifying
6.4 + -1x + 4.8 = -0.3

Reorder the terms:
6.4 + 4.8 + -1x = -0.3

Combine like terms: 6.4 + 4.8 = 11.2
11.2 + -1x = -0.3

Solving
11.2 + -1x = -0.3

Solving for variable 'x'.

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

Add '-11.2' to each side of the equation.
11.2 + -11.2 + -1x = -0.3 + -11.2

Combine like terms: 11.2 + -11.2 = 0.0
0.0 + -1x = -0.3 + -11.2
-1x = -0.3 + -11.2

Combine like terms: -0.3 + -11.2 = -11.5
-1x = -11.5

Divide each side by '-1'.
x = 11.5

Simplifying
x = 11.5