Y=7x-7x-9

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Solution for Y=7x-7x-9 equation: 



=7Y-7Y-9

We move all terms to the left:

-(7Y-7Y-9)=0

We add all the numbers together, and all the variables

-(-9)=0

We add all the numbers together, and all the variables

9!=0

There is no solution for this equation

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