7a-7=3a-3

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



7a-7=3a-3

We move all terms to the left:

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

We get rid of parentheses

7a-3a+3-7=0

We add all the numbers together, and all the variables

4a-4=0

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

4a=4

a=4/4

a=1

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