a+7a=5+3a

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Solution for a+7a=5+3a equation: 



a+7a=5+3a

We move all terms to the left:

a+7a-(5+3a)=0

We add all the numbers together, and all the variables

a+7a-(3a+5)=0

We add all the numbers together, and all the variables

8a-(3a+5)=0

We get rid of parentheses

8a-3a-5=0

We add all the numbers together, and all the variables

5a-5=0

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

5a=5

a=5/5

a=1

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