6y-(2y-3)=-21

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Solution for 6y-(2y-3)=-21 equation: 



6y-(2y-3)=-21

We move all terms to the left:

6y-(2y-3)-(-21)=0

We add all the numbers together, and all the variables

6y-(2y-3)+21=0

We get rid of parentheses

6y-2y+3+21=0

We add all the numbers together, and all the variables

4y+24=0

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

4y=-24

y=-24/4

y=-6

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