What is equivalent to

x-2y=4

3x+y=9

x = 22/7

y = - 3/7

Step-by-step explanation:

X = 2y + 4

3 (2y + 4) + y = 9

6y + y = 9 - 12

7y = - 3

y = -3/7

By using the first equation we will find the value of X:

x - 2y = 4 where y = - 3/7

x - 2 (-3/7) = 4

x + 6/7 = 4

x = 4 - 6/7

x = 22/7