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5x-9<-9 and -4x+9<45

User Bad Dub
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1 Answer

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We have the following inequations:
5x-9 <-9
-4x + 9 <45
We solve each inequality separately.
We have then:
For 5x-9 <-9:
5x-9 <-9
5x <-9 + 9
5x <0
x <0/5
x <0
For -4x + 9 <45:
-4x + 9 <45
-4x <45-9
4x> -36
x> -36/4
x> -9
The solution is given by
-9 <x <0
Answer:
-9 <x <0
User SidD
by
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