8a-2(a+9)=a+47

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Solution for 8a-2(a+9)=a+47 equation: 



8a-2(a+9)=a+47

We move all terms to the left:

8a-2(a+9)-(a+47)=0

We multiply parentheses

8a-2a-(a+47)-18=0

We get rid of parentheses

8a-2a-a-47-18=0

We add all the numbers together, and all the variables

5a-65=0

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

5a=65

a=65/5

a=13

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