Question

Solve x – 2y = 0 and 3x – 4y = 20 graphically.​

Answer 1

Answer:

x=20 , Y=10

Explanation:

x-2y=0.....(1)

3x-4y=20.....(2)

multiply by 2 in equation (1)

2x-4y=0

-3x+4y=-20 signed change

-x= -20

x=20

putting x=20 in equation (1)

20-2y=0

-2y=-20

y=10