Question

Which inequality represents all the solutions of 8(6x - 7) < 5(9x - 4)?

A. x> 12
B. x< 12
C. x> 20
D. x < 20

Answer 1

A. x>12

Explanation:

8(6x - 7) < 5(9x - 4)

Distribute:

48x-56<45x-20

Move like-terms together:

48x-45x<-20+56

Subtract/add:

3x<36

Divide both sides by 3

x<12

Answer 2

B. x< 12

Explanation: