Question

Solve algebraically y = - x - 2 y = - 2x

Answer 1

Answer:

$y=-x-2.........(1)\\y=-2x~...........(2)\\Equating~eq^n~(1)~and~(2),\\-x-2=-2x\\or, x+2=2x\\or, x=2\\Substituting~x=2~in~eq^n(2),\\y=-2(2) = -4$