Question

2x-y=5,x+3y=1

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Answer 1

Step-by-step explanation:

$2x - y = 5 \\ x + 3y = 1 \\ 2nd \: equ \: \div \: by \: 2 \\ gives \: 2x + 6y = 2 \\ then \: by \: simply \: we \: get \\ \\ x = \frac{4}{5} \\ y = \frac{3}{5}$

Answer 2

Step-by-step explanation:

as 2x -y = 5 then 2x= 5+y so x= 5+y /2

putting value of it in equation 2

5+y/2+3y = 1

= 5+y + 6y/2

= 5+7y = 2

7y = -3

y= -3/7

putting value of y in x

as x= 5+y/2

x= 5-3/7/2

= 32/7× 1/2

= 16/7

hence x= 16/7

and y= -3/7