4a-2-(a+9)=6

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Solution for 4a-2-(a+9)=6 equation: 



4a-2-(a+9)=6

We move all terms to the left:

4a-2-(a+9)-(6)=0

We add all the numbers together, and all the variables

4a-(a+9)-8=0

We get rid of parentheses

4a-a-9-8=0

We add all the numbers together, and all the variables

3a-17=0

We move all terms containing a to the left, all other terms to the right

3a=17

a=17/3

a=5+2/3

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