-7(0.1x+0.5)-1.1=-0.4

Solution for -7(0.1x+0.5)-1.1=-0.4 equation:

Simplifying
-7(0.1x + 0.5) + -1.1 = -0.4

Reorder the terms:
-7(0.5 + 0.1x) + -1.1 = -0.4
(0.5 * -7 + 0.1x * -7) + -1.1 = -0.4
(-3.5 + -0.7x) + -1.1 = -0.4

Reorder the terms:
-3.5 + -1.1 + -0.7x = -0.4

Combine like terms: -3.5 + -1.1 = -4.6
-4.6 + -0.7x = -0.4

Solving
-4.6 + -0.7x = -0.4

Solving for variable 'x'.

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

Add '4.6' to each side of the equation.
-4.6 + 4.6 + -0.7x = -0.4 + 4.6

Combine like terms: -4.6 + 4.6 = 0.0
0.0 + -0.7x = -0.4 + 4.6
-0.7x = -0.4 + 4.6

Combine like terms: -0.4 + 4.6 = 4.2
-0.7x = 4.2

Divide each side by '-0.7'.
x = -6

Simplifying
x = -6