I have a problem of -3 < 3x < 9 ( it’s compound inequaities)

asked Nov 17, 2020 69.1k views

4 votes

by Sylar

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1 vote

Answer:

-1 < x < 3

Explanation:

-3 < 3x < 9

Since you have 3x, and you want x, divide all 3 "sides" by 3.

-1 < x < 3

KeithWM answered Nov 22, 2020

5.6k points

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