a-a+6a=12

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


Simplifying
a + -1a + 6a = 12

Combine like terms: a + -1a = 0
0 + 6a = 12
6a = 12

Solving
6a = 12

Solving for variable 'a'.

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

Divide each side by '6'.
a = 2

Simplifying
a = 2

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