Question

Solve |5-8x|-7<8

a. {x|x<1/8 or x > 3/8}
b. {x|x>5/2 or x < -5/4}
c. {x|1/8< x < 3/8}
d. {x|-5/4 < x <5/2}

Answer 1

|5-8x|-7<8

|5-8x|-7+7<8+7

|5-8x| < 15

-15 < 5 - 8x < 15

I'll let you finish up

Answer 2

It's D, thank you!

Answer 3

correct