-2a=12-4a

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Solution for -2a=12-4a equation: 


Simplifying
-2a = 12 + -4a

Solving
-2a = 12 + -4a

Solving for variable 'a'.

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

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

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

Combine like terms: -4a + 4a = 0
2a = 12 + 0
2a = 12

Divide each side by '2'.
a = 6

Simplifying
a = 6

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