Question

find the value of x-y of the following
lequations.
7x-5y =-1.
5x-7y=-11​

Answer 1

Add both the equations

=>12x - 12y = -12

=>x - y = -1--(i)

Subtract both equations

=>2x + 2y = 10

=>x + y = 5--(ii)

Now add (i) and (ii)

=>2x = 4

=>x = 2

put in (i)

=>y = 3

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Answer 2

Step-by-step explanation:

So here is ur answer

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