2y-(1-5y)-21=0

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Solution for 2y-(1-5y)-21=0 equation: 



2y-(1-5y)-21=0

We add all the numbers together, and all the variables

2y-(-5y+1)-21=0

We get rid of parentheses

2y+5y-1-21=0

We add all the numbers together, and all the variables

7y-22=0

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

7y=22

y=22/7

y=3+1/7

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