-4a+4(3a+3)=-8-2a

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Solution for -4a+4(3a+3)=-8-2a equation:


Simplifying
-4a + 4(3a + 3) = -8 + -2a

Reorder the terms:
-4a + 4(3 + 3a) = -8 + -2a
-4a + (3 * 4 + 3a * 4) = -8 + -2a
-4a + (12 + 12a) = -8 + -2a

Reorder the terms:
12 + -4a + 12a = -8 + -2a

Combine like terms: -4a + 12a = 8a
12 + 8a = -8 + -2a

Solving
12 + 8a = -8 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
12 + 8a + 2a = -8 + -2a + 2a

Combine like terms: 8a + 2a = 10a
12 + 10a = -8 + -2a + 2a

Combine like terms: -2a + 2a = 0
12 + 10a = -8 + 0
12 + 10a = -8

Add '-12' to each side of the equation.
12 + -12 + 10a = -8 + -12

Combine like terms: 12 + -12 = 0
0 + 10a = -8 + -12
10a = -8 + -12

Combine like terms: -8 + -12 = -20
10a = -20

Divide each side by '10'.
a = -2

Simplifying
a = -2

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