4(a+1)=12

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Solution for 4(a+1)=12 equation: 


Simplifying
4(a + 1) = 12

Reorder the terms:
4(1 + a) = 12
(1 * 4 + a * 4) = 12
(4 + 4a) = 12

Solving
4 + 4a = 12

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 = 12 + -4

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

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

Divide each side by '4'.
a = 2

Simplifying
a = 2

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