9y-(-2)=-21

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Solution for 9y-(-2)=-21 equation: 



9y-(-2)=-21

We move all terms to the left:

9y-(-2)-(-21)=0

We add all the numbers together, and all the variables

9y+23=0

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

9y=-23

y=-23/9

y=-2+5/9

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