7a-11=a+7

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



7a-11=a+7

We move all terms to the left:

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

We get rid of parentheses

7a-a-7-11=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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