What is the solution of 3|2x + 7|- 9 <0?

asked Jan 20, 2020 10.3k views

1 vote

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1 vote

Answer:

-5 < x < -2.

Explanation:

3|2x + 7|- 9 <0

3|2x + 7| < 9 Divide through by 3:

|2x + 7| < 3

2x + 7 < 3

2x < -4

x < -2.

Also 2x + 7 > -3

2x > -10

x > -5.

RazvanDH answered Jan 23, 2020

5.8k points

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