Question

What is the graph of 5x = 2y − 20?

Answer 1

I'm assuming you what an actual picture of the graph, yes?

http://i.imgur.com/zhkPgrq.png

and the following graph shows:
y-int. is 10
x-int. is -4

does this help a tadbit?

Answer 2

My graph confirms the @peridot
http://imgur.com/2QWiM2t

Para encontrar X:
\[X = \frac{ 2 y }{ 5 } -4\]

Para encontrar Y:
\[Y = \frac{ 5 (x+4) }{ 2 }\]