Question

if y=x,then find 2x+y=20 find x and y​

Answer 1

if y = x ,

2x+x=20

3x=20

x=20/3

Answer 2

Answer:

x and y are 20/3 or 6.66

Step-by-step explanation:

substituting X=y

2x+x=20

3x=20

X=20/3