17a-7a=a+18

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Solution for 17a-7a=a+18 equation: 



17a-7a=a+18

We move all terms to the left:

17a-7a-(a+18)=0

We add all the numbers together, and all the variables

10a-(a+18)=0

We get rid of parentheses

10a-a-18=0

We add all the numbers together, and all the variables

9a-18=0

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

9a=18

a=18/9

a=2

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