6y-21=y-2.1

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Solution for 6y-21=y-2.1 equation: 



6y-21=y-2.1

We move all terms to the left:

6y-21-(y-2.1)=0

We get rid of parentheses

6y-y+2.1-21=0

We add all the numbers together, and all the variables

5y-18.9=0

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

5y=18.9

y=18.9/5

y=3+2.05263157895/2.63157894737

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