21y+1=-1

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Solution for 21y+1=-1 equation: 



21y+1=-1

We move all terms to the left:

21y+1-(-1)=0

We add all the numbers together, and all the variables

21y+2=0

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

21y=-2

y=-2/21

y=-2/21

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