Question

3 x + 5 y = 19
5 x + 3 y = 21​

Answer 1

Answer:

x=7/2

y=3/2 is answer hope help you

Answer 2

Answer:

let 3x+5y=19 be 1st eq...

let 5 x + 3 y = 21 be 2nd eq...

multiply 1by 5 and 2 by 3...

then x value will be cancelled...

y will be 2...

subs y in any eq..

then x will be 3...