3(2+a)=12

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Solution for 3(2+a)=12 equation: 


Simplifying
3(2 + a) = 12
(2 * 3 + a * 3) = 12
(6 + 3a) = 12

Solving
6 + 3a = 12

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 3a = 12 + -6

Combine like terms: 6 + -6 = 0
0 + 3a = 12 + -6
3a = 12 + -6

Combine like terms: 12 + -6 = 6
3a = 6

Divide each side by '3'.
a = 2

Simplifying
a = 2

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