3(a+12)=9

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Solution for 3(a+12)=9 equation: 


Simplifying
3(a + 12) = 9

Reorder the terms:
3(12 + a) = 9
(12 * 3 + a * 3) = 9
(36 + 3a) = 9

Solving
36 + 3a = 9

Solving for variable 'a'.

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

Add '-36' to each side of the equation.
36 + -36 + 3a = 9 + -36

Combine like terms: 36 + -36 = 0
0 + 3a = 9 + -36
3a = 9 + -36

Combine like terms: 9 + -36 = -27
3a = -27

Divide each side by '3'.
a = -9

Simplifying
a = -9

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