a-7+8a=11+3a

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Solution for a-7+8a=11+3a equation: 



a-7+8a=11+3a

We move all terms to the left:

a-7+8a-(11+3a)=0

We add all the numbers together, and all the variables

a+8a-(3a+11)-7=0

We add all the numbers together, and all the variables

9a-(3a+11)-7=0

We get rid of parentheses

9a-3a-11-7=0

We add all the numbers together, and all the variables

6a-18=0

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

6a=18

a=18/6

a=3

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