-6(4a-20)=0

Solution for -6(4a-20)=0 equation:

Simplifying
-6(4a + -20) = 0

Reorder the terms:
-6(-20 + 4a) = 0
(-20 * -6 + 4a * -6) = 0
(120 + -24a) = 0

Solving
120 + -24a = 0

Solving for variable 'a'.

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

Add '-120' to each side of the equation.
120 + -120 + -24a = 0 + -120

Combine like terms: 120 + -120 = 0
0 + -24a = 0 + -120
-24a = 0 + -120

Combine like terms: 0 + -120 = -120
-24a = -120

Divide each side by '-24'.
a = 5

Simplifying
a = 5