If #5(y+10)=40#, what is the value of #1/4y#?

1 Answer
Oct 14, 2016

#1/4y=y/4=-1/2#

Explanation:

To find #1/4y=y/4# means you have to find the value of #y# then divide it by #4#. This is if you wrote the question correctly because #1/4y !=(1)/(4y)#. I am pointing this out because I just noticed that if you don't put parentheses, you are writing something different than if you put them on the numerator AND denominator.
I am going to work with what I see.

#5(y+10)=40#

#5y+50=40#

#5y=40-50#

#5y=-10=>y=-10/5=-2#

#y=-2#

#=>y/4=-2/4=-1/2#

I hope this is helpful :)