5a-3=7+a

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



5a-3=7+a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

5a-a-7-3=0

We add all the numbers together, and all the variables

4a-10=0

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

4a=10

a=10/4

a=2+1/2

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