3(a+4)=

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Solution for 3(a+4)= equation: 


Simplifying
3(a + 4) = 0

Reorder the terms:
3(4 + a) = 0
(4 * 3 + a * 3) = 0
(12 + 3a) = 0

Solving
12 + 3a = 0

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 3a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 3a = 0 + -12
3a = 0 + -12

Combine like terms: 0 + -12 = -12
3a = -12

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

Simplifying
a = -4

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