7x-9=7x-15

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Solution for 7x-9=7x-15 equation: 



7x-9=7x-15

We move all terms to the left:

7x-9-(7x-15)=0

We get rid of parentheses

7x-7x+15-9=0

We add all the numbers together, and all the variables

6!=0

There is no solution for this equation

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