Question

check whether x =-2is a solution of 2x-y=12 .​

Answer 1

hii..

2(-2)-y=12

-4-y=12

-y = 12+4

-y = 16

y =-16

put y = -16 and x= -2

2(-2)-(-16)= 12

-4+16=12

12=12

1=1

Yes... x=-2. is a solution of 2x-y=12

Answer 2

here is your solution