4a-2a=12+6

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Solution for 4a-2a=12+6 equation: 


Simplifying
4a + -2a = 12 + 6

Combine like terms: 4a + -2a = 2a
2a = 12 + 6

Combine like terms: 12 + 6 = 18
2a = 18

Solving
2a = 18

Solving for variable 'a'.

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

Divide each side by '2'.
a = 9

Simplifying
a = 9

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