7y-7=42+7

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Solution for 7y-7=42+7 equation: 



7y-7=42+7

We move all terms to the left:

7y-7-(42+7)=0

We add all the numbers together, and all the variables

7y-7-49=0

We add all the numbers together, and all the variables

7y-56=0

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

7y=56

y=56/7

y=8

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