Question

Solve the following compound inequality:

−3(x + 7) − 15 > 2x + 4 or −2x + 6 < 4(x − 3)



a
x < −8 or x > 3

b
x > −8 or x < 3

c
x < 8 or x > −3

d
x > 8 or x < −3

Answer 1

a. x<-8 or x>3

Explanation:

open up the bracket

-3x - 21 - 15>2x + 4 or -2x + 6 < 4x-12

clt clt

-3x - 2x > 4+21+15. -2x-4x< -12-6

-5x>40. -6x<-18