-1-a=-3(4+4a)

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Solution for -1-a=-3(4+4a) equation:


Simplifying
-1 + -1a = -3(4 + 4a)
-1 + -1a = (4 * -3 + 4a * -3)
-1 + -1a = (-12 + -12a)

Solving
-1 + -1a = -12 + -12a

Solving for variable 'a'.

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

Add '12a' to each side of the equation.
-1 + -1a + 12a = -12 + -12a + 12a

Combine like terms: -1a + 12a = 11a
-1 + 11a = -12 + -12a + 12a

Combine like terms: -12a + 12a = 0
-1 + 11a = -12 + 0
-1 + 11a = -12

Add '1' to each side of the equation.
-1 + 1 + 11a = -12 + 1

Combine like terms: -1 + 1 = 0
0 + 11a = -12 + 1
11a = -12 + 1

Combine like terms: -12 + 1 = -11
11a = -11

Divide each side by '11'.
a = -1

Simplifying
a = -1

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