-5(-8x+4)=-420

Solution for -5(-8x+4)=-420 equation:

Simplifying
-5(-8x + 4) = -420

Reorder the terms:
-5(4 + -8x) = -420
(4 * -5 + -8x * -5) = -420
(-20 + 40x) = -420

Solving
-20 + 40x = -420

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 40x = -420 + 20

Combine like terms: -20 + 20 = 0
0 + 40x = -420 + 20
40x = -420 + 20

Combine like terms: -420 + 20 = -400
40x = -400

Divide each side by '40'.
x = -10

Simplifying
x = -10