Question

2. If x= -1, y = 2, z = -3, find the value of-
(a) x + y + z
(b) 2x - 3y + 6z​

Answer 1

Answer:

(a) (-1) +2+(-3)

=-1+2-3

=-2

(b) 2(-1) +3(2) +6(-3)

=-2+6-18

=-20+6

=-14