-9x+2.6+(-x)+(-12.8)=

Solution for -9x+2.6+(-x)+(-12.8)= equation:

Simplifying
-9x + 2.6 + (-1x) + (-12.8) = 0
-9x + 2.6 + (-1x) + -12.8 = 0

Reorder the terms:
2.6 + -12.8 + -9x + (-1x) = 0

Combine like terms: 2.6 + -12.8 = -10.2
-10.2 + -9x + (-1x) = 0

Combine like terms: -9x + (-1x) = -10x
-10.2 + -10x = 0

Solving
-10.2 + -10x = 0

Solving for variable 'x'.

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

Add '10.2' to each side of the equation.
-10.2 + 10.2 + -10x = 0 + 10.2

Combine like terms: -10.2 + 10.2 = 0.0
0.0 + -10x = 0 + 10.2
-10x = 0 + 10.2

Combine like terms: 0 + 10.2 = 10.2
-10x = 10.2

Divide each side by '-10'.
x = -1.02

Simplifying
x = -1.02