9-3a=7-3a

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Solution for 9-3a=7-3a equation: 



9-3a=7-3a

We move all terms to the left:

9-3a-(7-3a)=0

We add all the numbers together, and all the variables

-3a-(-3a+7)+9=0

We get rid of parentheses

-3a+3a-7+9=0

We add all the numbers together, and all the variables

2!=0

There is no solution for this equation

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