Question

X minus 2 Y is equal to zero and 3 X + 4 Y is equal to 20 find graphical method

Answer 1

Answer:

x-2y= 0 ..(I)

3x+4y =20..(ii)

from equation (I)

x= 2y

put this value in equation (ii)

3(3y)+4y= 20

13y= 20

y= 20/13

x= 40/13