-8(0.1x+0.3)-1.8=0.2

Solution for -8(0.1x+0.3)-1.8=0.2 equation:

Simplifying
-8(0.1x + 0.3) + -1.8 = 0.2

Reorder the terms:
-8(0.3 + 0.1x) + -1.8 = 0.2
(0.3 * -8 + 0.1x * -8) + -1.8 = 0.2
(-2.4 + -0.8x) + -1.8 = 0.2

Reorder the terms:
-2.4 + -1.8 + -0.8x = 0.2

Combine like terms: -2.4 + -1.8 = -4.2
-4.2 + -0.8x = 0.2

Solving
-4.2 + -0.8x = 0.2

Solving for variable 'x'.

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

Add '4.2' to each side of the equation.
-4.2 + 4.2 + -0.8x = 0.2 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + -0.8x = 0.2 + 4.2
-0.8x = 0.2 + 4.2

Combine like terms: 0.2 + 4.2 = 4.4
-0.8x = 4.4

Divide each side by '-0.8'.
x = -5.5

Simplifying
x = -5.5