Question

Can anyone tell me where am i getting wrong.....the answer is -1....plz tell me my mistake...and don't try with another method...plz explain where i have done mistake and how to correct it... I'll mark you the brainliest...if it is helpful to me and also follow you



we have to find y by elimination method​

Answer 1

Answer:

5+x is wrong answer is 5Xx

Answer 2

Answer:

2x-3y=7 -(1)

5x+y=9 -(2)

2x=7+3y

x=(7+3y) /2 -(3)

Substitute in eq 2

5(7+3y/2) +y=9

(35+15y) /2+y=9

(35+15y)/2=9-y

35+15y=2(9-y)

35+15y=18-2y

35-18 =-2y-15y

17=-17y

Or, -y=17/17

y=-1

I hope it helps you.