Question

GRAFICALY
x + 2y < 30
5x - 72 2 12
x+y+z= 20
x,y,z 20​

Answer 1

Answer:

x+2y=30

then put on x=0andy=0

then we get the points (0, 15) and (30, 0)

In same method we use in 5x-722 =12 amd x+y+z=20 and x, y, z=20 ok

please give me a thanks