Question 621504
I graphed y=2x and 2x+y=4 but I need some help, it's now says indicate the method you used to plot the lines and show your work?
--------
I don't know what method you used, and I didn't see your work.
Only you can answer that.
=================================
B. check by substiting the answer back I to the original equation?
I don't know what answer you got.
=================
Please i need some help don't understand it!