Question

slove the pair of linear equations graphically
x_2y=0 and 3x+4y=20.

Answer 1

Step-by-step explanation:

multiply eq 1 by 2

2x-4y=0

add eq 2 and 3

5x=20

x=20/5

x=4

substitute x=4 in eq 3

2x-4y=0

2(4)-4y=0

8-4y=0

-4y= - 8

y= 8/4

y=2

solution (4,2)