-4(a+1)=-16

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Solution for -4(a+1)=-16 equation: 


Simplifying
-4(a + 1) = -16

Reorder the terms:
-4(1 + a) = -16
(1 * -4 + a * -4) = -16
(-4 + -4a) = -16

Solving
-4 + -4a = -16

Solving for variable 'a'.

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

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

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

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

Divide each side by '-4'.
a = 3

Simplifying
a = 3

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