Question

solve the following by elimination method:5x-y=6;10x+3y=7​

Answer 1

I think this is right ans

Answer 2

5x-y=6 , 10x +3y=7

5x-y=6

10x +3y=7

multiply 3 for 5x-y=6

15x-3y=18

10x +3y = 7

cut +3y and -3y

25x=25

x=1

5x-y=6

5-y=6

-y=1

y=-1