-4(0.1x+0.4)-3=-0.5

Solution for -4(0.1x+0.4)-3=-0.5 equation:

Simplifying
-4(0.1x + 0.4) + -3 = -0.5

Reorder the terms:
-4(0.4 + 0.1x) + -3 = -0.5
(0.4 * -4 + 0.1x * -4) + -3 = -0.5
(-1.6 + -0.4x) + -3 = -0.5

Reorder the terms:
-1.6 + -3 + -0.4x = -0.5

Combine like terms: -1.6 + -3 = -4.6
-4.6 + -0.4x = -0.5

Solving
-4.6 + -0.4x = -0.5

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 + -0.4x = -0.5 + 4.6

Combine like terms: -4.6 + 4.6 = 0.0
0.0 + -0.4x = -0.5 + 4.6
-0.4x = -0.5 + 4.6

Combine like terms: -0.5 + 4.6 = 4.1
-0.4x = 4.1

Divide each side by '-0.4'.
x = -10.25

Simplifying
x = -10.25