Question

)The solution of the pair of linear equations x-3y=7 and x-y=5 is : *

1 point

a)x=4 and y= -1

b)x= -1 and y=4

C)x=4 and y=3

d)x=3 and y=4 ​

Answer 1

Answer:

opt A

Step-by-step explanation:

hope this helps you

by substituting(4,-1) in both equations

Answer 2

Answer:

By subtracting eq.

-2y=2

y=-1 and put in eq.1 to get x=4

So,y=-1 and x=4