(3+a)6=12a-12

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


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

Reorder the terms for easier multiplication:
6(3 + a) = 12a + -12
(3 * 6 + a * 6) = 12a + -12
(18 + 6a) = 12a + -12

Reorder the terms:
18 + 6a = -12 + 12a

Solving
18 + 6a = -12 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
18 + 6a + -12a = -12 + 12a + -12a

Combine like terms: 6a + -12a = -6a
18 + -6a = -12 + 12a + -12a

Combine like terms: 12a + -12a = 0
18 + -6a = -12 + 0
18 + -6a = -12

Add '-18' to each side of the equation.
18 + -18 + -6a = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -6a = -12 + -18
-6a = -12 + -18

Combine like terms: -12 + -18 = -30
-6a = -30

Divide each side by '-6'.
a = 5

Simplifying
a = 5

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