-3(a+2)=12

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


Simplifying
-3(a + 2) = 12

Reorder the terms:
-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 = 18
-3a = 18

Divide each side by '-3'.
a = -6

Simplifying
a = -6

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