4a-2a=12

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Solution for 4a-2a=12 equation: 


Simplifying
4a + -2a = 12

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

Solving
2a = 12

Solving for variable 'a'.

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

Divide each side by '2'.
a = 6

Simplifying
a = 6

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