Question

x-2y=5 and 5x-y=-7 v ​

Answer 1

Answer:

y=-4

Step-by-step explanation:

x-2y=5

5x-y=-7

x=5+2y (value of x)

5(5+2y)-2y=-7 (by putting the value of x)

25+ 10y-2y=-7

8y=-7-25

8y=-32

y=-32/8

y=-4