Question

X + y = 30. 2x-y =0 finf value of x and y

Answer 1

Answer:

X=10

Y=20

Step-by-step explanation:

x+y=30 -----equation 1

2x-y= 0 -----equation 2

_________

3x = 30

_________

+y and -y Cancelled

3x=30

x=30/3

x=10

Substitute X=10 in equation 1

x+y=30

Instead of x we have to substitute 10

10+y=30

y=30-10

y=20

Therefore x=10

y=20