-12-4(1-a)=0

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Solution for -12-4(1-a)=0 equation:


Simplifying
-12 + -4(1 + -1a) = 0
-12 + (1 * -4 + -1a * -4) = 0
-12 + (-4 + 4a) = 0

Combine like terms: -12 + -4 = -16
-16 + 4a = 0

Solving
-16 + 4a = 0

Solving for variable 'a'.

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

Add '16' to each side of the equation.
-16 + 16 + 4a = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 4a = 0 + 16
4a = 0 + 16

Combine like terms: 0 + 16 = 16
4a = 16

Divide each side by '4'.
a = 4

Simplifying
a = 4

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