-42.8=-16.4+x-9.6

Solution for -42.8=-16.4+x-9.6 equation:

Simplifying
-42.8 = -16.4 + x + -9.6

Reorder the terms:
-42.8 = -16.4 + -9.6 + x

Combine like terms: -16.4 + -9.6 = -26
-42.8 = -26 + x

Solving
-42.8 = -26 + 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.
-42.8 + -1x = -26 + x + -1x

Combine like terms: x + -1x = 0
-42.8 + -1x = -26 + 0
-42.8 + -1x = -26

Add '42.8' to each side of the equation.
-42.8 + 42.8 + -1x = -26 + 42.8

Combine like terms: -42.8 + 42.8 = 0.0
0.0 + -1x = -26 + 42.8
-1x = -26 + 42.8

Combine like terms: -26 + 42.8 = 16.8
-1x = 16.8

Divide each side by '-1'.
x = -16.8

Simplifying
x = -16.8