Question

Will give medals.

2x - y = 5
x + 3y = 7

What is the value of the y-determinant?



7

9

22

Answer 1

like a first step in case of the first equation add to both sides y

so what will get ?

Answer 2

will give more medals for answer

Answer 3

its 9

Answer 4

\[y=\frac{ 9 }{ 7 } x=\frac{ 22 }{ 7 }\]

Answer 5

thankyou

Answer 6

thank you for the medal

Answer 7

press on best choice

Answer 8

your welcome