Need help (with picture)

[DazedandConfuzed]

Can you explain how the 8y changed the fraction? Especially the numerator..

 

[DazedandConfuzed]

Please help. I know this topic has been getting views.

 

[Deleted member 4993]

View attachment 1825

Can you explain how the 8y changed the fraction? Especially the numerator..

What exactly do you mean by that?

both sides are divided by 8y - then common factor of 4 has been taken out (cancelled). This is elementary algebra.....