2(a+3)+6=-12

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Solution for 2(a+3)+6=-12 equation:


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

Reorder the terms:
2(3 + a) + 6 = -12
(3 * 2 + a * 2) + 6 = -12
(6 + 2a) + 6 = -12

Reorder the terms:
6 + 6 + 2a = -12

Combine like terms: 6 + 6 = 12
12 + 2a = -12

Solving
12 + 2a = -12

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 + 2a = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = -12 + -12
2a = -12 + -12

Combine like terms: -12 + -12 = -24
2a = -24

Divide each side by '2'.
a = -12

Simplifying
a = -12

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