3a-12=-3a

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Solution for 3a-12=-3a equation:


Simplifying
3a + -12 = -3a

Reorder the terms:
-12 + 3a = -3a

Solving
-12 + 3a = -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
-12 + 3a + 3a = -3a + 3a

Combine like terms: 3a + 3a = 6a
-12 + 6a = -3a + 3a

Combine like terms: -3a + 3a = 0
-12 + 6a = 0

Add '12' to each side of the equation.
-12 + 12 + 6a = 0 + 12

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

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

Divide each side by '6'.
a = 2

Simplifying
a = 2

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