Solve the inequality 4< 2(1 – 3x) < 10.

belle&lt;3

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Joined
Aug 27, 2007
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Solve the inequality 4< 2(1 – 3x) < 10.

How do I go about doing this problem?

4 < 2(1 – 3x) < 10
Divide by 2
2 < 1 − 3x < 5
Subtract 1
1 < −3x < 4
Divide by −3
−1/3 > x > −4/3

Is that correct?
 

Subhotosh Khan

Super Moderator
Staff member
Joined
Jun 18, 2007
Messages
18,134
Re: Solve the inequality 4< 2(1 – 3x) < 10.

belle<3 said:
How do I go about doing this problem?

4 < 2(1 – 3x) < 10
Divide by 2
2 < 1 − 3x < 5
Subtract 1
1 < −3x < 4
Divide by −3
−1/3 > x > −4/3 Correct ... Good work

Is that correct?
 
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