Question

solve and show working out

Answer 1

Answer:

(1,-7)

Step-by-step explanation:

we can use trial and error

in A

x = 1

y = -7

now let us put values of x and y in eqn.

2(1) + 3(-7) <- 18

2 + (-21) < - 18

-19 < -18

hence proven ans is A