What value of x is in the solution set of 9(2x + 1) < 9x – 18? –4 –3 –2 –1

Question

asked Jun 18, 2021 182k views

2 Answers

Aldo Stracquadanio · Answer 1 · 2021-06-23T06:23:26+0000

Answer:

-4

Explanation:

9(2x + 1) < 9x – 18

Divide each side by 9

9/9(2x + 1) < 9x/9 – 18/9

2x+1 < x-2

Subtract x from each side

2x+1-x < x-2-x

x+1 < -2

Subtract 1 from each side

x+1-1 < -2-1

x < -3

The only value less than -3 is -4