Question

-y+6y=0 and y-6y=0; these should be equal but i get 5y and -5y respectivly, why?

Answer 1

so -5y = 5y only in case if y= 0

Answer 2

It's clear edutopia >> 5y and -5y but both of them equal 0 so they're same
5y= -5y = 0

Answer 3

ah, so y=0; i see, thank you

Answer 4

yes