6a+5a=12-a+8a

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Solution for 6a+5a=12-a+8a equation: 



6a+5a=12-a+8a

We move all terms to the left:

6a+5a-(12-a+8a)=0

We add all the numbers together, and all the variables

6a+5a-(7a+12)=0

We add all the numbers together, and all the variables

11a-(7a+12)=0

We get rid of parentheses

11a-7a-12=0

We add all the numbers together, and all the variables

4a-12=0

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

4a=12

a=12/4

a=3

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