4(20-4a)=6-a

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

Simplifying
4(20 + -4a) = 6 + -1a
(20 * 4 + -4a * 4) = 6 + -1a
(80 + -16a) = 6 + -1a

Solving
80 + -16a = 6 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
80 + -16a + a = 6 + -1a + a

Combine like terms: -16a + a = -15a
80 + -15a = 6 + -1a + a

Combine like terms: -1a + a = 0
80 + -15a = 6 + 0
80 + -15a = 6

Add '-80' to each side of the equation.
80 + -80 + -15a = 6 + -80

Combine like terms: 80 + -80 = 0
0 + -15a = 6 + -80
-15a = 6 + -80

Combine like terms: 6 + -80 = -74
-15a = -74

Divide each side by '-15'.
a = 4.933333333

Simplifying
a = 4.933333333