Question

x-y=11 and 2x+y=19
elimination
how​

Answer 1

Answer:

this is the answer.......

.

Answer 2

Answer:

x-y=11__________(i)

2x+y=19________(ii)

(I) *2=2x-2y=22______(iii)

(ii) -(iii) =2x+y-2x+2y=19-22

=3y=-3

=y=-1

putting the value of y in (I) we get

x-(-1) =11

=x=11-1

=x=10

so, x=10 y=-1