Question

2x-4y=8 where x=-4 what is y?

Answer 1

y=-4

Answer 2

Welcome to openstudy :)
First what you do is plug in -4 for x

Answer 3

And no giving away answers @RemyAlexander

Answer 4

then what

Answer 5

thank you

Answer 6

Then just solve:
So you have this:
2x-4(-4)=8
multiply the -4's to get:
2x+16=8
Now subtract the 16:
2x=-8
Now just divide :)

Answer 7

Sorry, change that x to a y

Answer 8

Follow the steps that @Luigi0210 just gave and you should be good