-2a=12-4

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Solution for -2a=12-4 equation: 


Simplifying
-2a = 12 + -4

Combine like terms: 12 + -4 = 8
-2a = 8

Solving
-2a = 8

Solving for variable 'a'.

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

Divide each side by '-2'.
a = -4

Simplifying
a = -4

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