Multiply the first equation by -1 and add it to the second one, getting
y-4z=-10
Multiply the first equation by 2 and add it to the third one, getting -2y+10z=26
As you can see, we eliminated x and turned it into two equations with 2 variables.
Multiply the first new equation by 2 and add it to the second one to get
2z=6 and z=3. Substitute it in to -2y+10z=26 to get y=2 and substitute it into <span>-x+y+z=4 to get x=1</span>
Answer:
It is for sure a rational # , and whole #, but possibly also a natural#
Step-by-step explanation:
Answer:duh it’s 449
Step-by-step explanation:because it clearly said 449
Answer:
y = -3/2x -5
Step-by-step explanation:
We want slope intercept form which is y = mx+b
Y+2=-3/2(x+2)
Distribute
y+2 = -3/2x -3
Subtract 2 from each side
y+2-2 = -3/2x -3-2
y = -3/2x -5
= y