Question

Evaluate 3x - 2 when x =

a) 0

b) +3

c) -2

Answer 1

- 2, 7 , - 8

Explanation:

substitute the given values of x into the expression

(a)

x = 0 : 3(0) - 2 = 0 - 2 = - 2

(b)

x = 3 : 3(3) - 2 = 9 - 2 = 7

(c)

x = - 2 : 3(- 2) - 2 = - 6 - 2 = - 8