To help you graph this, get y alone in both equations. If you don't have a graphing calculator, use the Desmos graphing calculator online.
So, you will end up graphing this:
y=8-x
y=(34/3)-(5/3)x
They will meet at (5,3)
See attached picture for answer
For the division part:

But I think your question differs than this..
Am I right?
as your options do not include 1
Answer:
x + 9 = 32
Step-by-step explanation:
answer for x is 32 - 9 = 23
Answer:
b) trapezoids
Step-by-step explanation:
a trapezoid has atleast one pair of opposite parallel sides