8y-21=43

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Solution for 8y-21=43 equation: 



8y-21=43

We move all terms to the left:

8y-21-(43)=0

We add all the numbers together, and all the variables

8y-64=0

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

8y=64

y=64/8

y=8

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