Question

(1) 5x – 4y = 23
2x – 7y = 11​

Answer 1

Step-by-step explanation:

2(5x - 4y = 23)

5(2x - 7y = 11)

10x - 8y = 46

10x - 35y = 55

- + -

27y = - 9

y = -9/27

y = - 1/3

This is your ans

Hope it helps u

Answer 2

Step-by-step explanation:

(5x-4y=23)×2

(2x-7y=11)×5

10x-8y=46

10x-35y=55

=>27y= -9

=>y= -9÷27

= -1/3

5x-4× -1/3=23

5x+4/3=23

15x+4=69

15x=69-4

15x=65

x=65÷15

=13/3