Question

What value of x is in the solution set of 9(2x + 1) < 9x - 18?

A. -4

B. -3

C. -2

D. -1

Answer 1

B. Should be the answer :)

Answer 2

b. -3

Explanation:

9(2x+1) < 9x-18

(distribute the 9)

18x+9 <9x-18

(subtract 9 from both sides)

18x<9x-27

(subtract 9x from both sides)

9x<-27

(divide both sides by 9)

x<-3