Answer:
x=20/3 y=17/3
Step-by-step explanation:
1. x-y=1
2. 2x+y=19
The first equation can be rewritten as 2x-2y=2
We can then subtract the second equation from this:
2x-2y=2
2x+y=19
-3y=-17
y=17/3
Plug this into to solve for x:
x-17/3=1
x=17/3+1
x=20/3
Answer:
x = -9, y = -3.
As an ordered pair it is (-9, -3).
Step-by-step explanation:
Substitute x = 3y in equation 1:
2y + 3y = -15
5y = -15
y = -15/5
y = -3.
Now find x by plugging y = -3 in x = 3y:
x = 3*-3 = -9.
Check the answer in equation 1:
2(-3) + -9
= -6 - 9
= -15 Correct.
Answer:
The slope should be undefined
Step-by-step explanation:
The slope is undefined, but if the line went horizontal then the slope would equal 0.