Help with question in file PLEASE

Question

anonymous · Answer

attachment

anonymous · Answer

Question 3

mathmale · Answer

What kind of help do you need?  What have you thought about and done so far towards answering Question #3?

anonymous · Answer

I haven't done anything. My teacher did not teach this in class, but we received hw for it.

mathmale · Answer

Have you read the course material online that relates to this kind of problem?

anonymous · Answer

I know how to do the Gauss Jordan method, but I don't understand how to solve problems like this

anonymous · Answer

I read the textbook, but didn't help

mathmale · Answer

Complete this sentence, please:  If two lines have the same slope, they are .... ???  to each other.

anonymous · Answer

parallel

mathmale · Answer

Right.  Now you are given two equations in Question 3.  Please solve each one, separately, for y, and tell me what the slope is, in each case.

anonymous · Answer

Two equations?I see one.

anonymous · Answer

4x+9y-5z=-18

anonymous · Answer

X = 9y/4 + 5z/4 - 9/2

anonymous · Answer

It is looking for a series of answers to complete the matrix