12a-7a+a=

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Solution for 12a-7a+a= equation: 


Simplifying
12a + -7a + a = 0

Combine like terms: 12a + -7a = 5a
5a + a = 0

Combine like terms: 5a + a = 6a
6a = 0

Solving
6a = 0

Solving for variable 'a'.

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

Divide each side by '6'.
a = 0

Simplifying
a = 0

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