(7y-14)=21

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Solution for (7y-14)=21 equation: 



(7y-14)=21

We move all terms to the left:

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

We get rid of parentheses

7y-14-21=0

We add all the numbers together, and all the variables

7y-35=0

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

7y=35

y=35/7

y=5

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