7y-14=7y+21

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Solution for 7y-14=7y+21 equation: 



7y-14=7y+21

We move all terms to the left:

7y-14-(7y+21)=0

We get rid of parentheses

7y-7y-21-14=0

We add all the numbers together, and all the variables

-35!=0

There is no solution for this equation

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