Answer:
28
Step-by-step explanation:
2x-3y+z=-3 , x-5y+7z=-11 , -10x+4y-6z=28
y=5x/2 + 9
Check the above picture for workings
1.A 2.A 3.A 4.B 5.A 6.B
1
Distance between x's (Δx)
0
This field is calculated automatically, you cannot change it's value manually.
Distance between y's (Δy)
d = √(Δy2 + Δx2) = √(12 + 02) = √1 = 1
look at the picture i sent please
