-2(-6-6a)=-20+4a

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Solution for -2(-6-6a)=-20+4a equation:


Simplifying
-2(-6 + -6a) = -20 + 4a
(-6 * -2 + -6a * -2) = -20 + 4a
(12 + 12a) = -20 + 4a

Solving
12 + 12a = -20 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
12 + 12a + -4a = -20 + 4a + -4a

Combine like terms: 12a + -4a = 8a
12 + 8a = -20 + 4a + -4a

Combine like terms: 4a + -4a = 0
12 + 8a = -20 + 0
12 + 8a = -20

Add '-12' to each side of the equation.
12 + -12 + 8a = -20 + -12

Combine like terms: 12 + -12 = 0
0 + 8a = -20 + -12
8a = -20 + -12

Combine like terms: -20 + -12 = -32
8a = -32

Divide each side by '8'.
a = -4

Simplifying
a = -4

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