y/21=9

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Solution for y/21=9 equation: 



y/21=9

We move all terms to the left:

y/21-(9)=0

We multiply all the terms by the denominator


y-9*21=0

We add all the numbers together, and all the variables

y-189=0

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

y=189

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