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December 19, 2014

December 19, 2014

Posted by **Tony to PsyDAG** on Thursday, April 29, 2010 at 11:07pm.

4+x/5 < 8

and

x-2/3> 2x + 11

Subtract 4 from both sides.

x/5 < 4

Multiply both sides by 5.

x < 20

Now you try the second inequality.

I tried the second one and did not get

-7 which is the answer in the book

and 36 is the answer to the first one. Am I missing some steps. Help

- Algebra -
**Reiny**, Thursday, April 29, 2010 at 11:37pmNot sure if PsyDAG is still on here, but I can see your problem

You meant to type

(4+x)/5 < 8 to get the answer in your book

4+x < 40 after multiplying by 5

x < 40-4

x < 36

for the second you meant to type

(x-2)/3 > 2x + 11

x-2 > 6x + 33 after multiplying by 3

x - 6x > 35

-5x > 35

now divide by -5, which results in the switch of inequality

x < -7

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