4(a+3)=2a-12

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Solution for 4(a+3)=2a-12 equation:


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

Reorder the terms:
4(3 + a) = 2a + -12
(3 * 4 + a * 4) = 2a + -12
(12 + 4a) = 2a + -12

Reorder the terms:
12 + 4a = -12 + 2a

Solving
12 + 4a = -12 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
12 + 4a + -2a = -12 + 2a + -2a

Combine like terms: 4a + -2a = 2a
12 + 2a = -12 + 2a + -2a

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

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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