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Mathematics
Freeman
5 January, 15:00
Solving for inequalities
8p-13 <-2+7p and 20+4p< 2p+14?
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Gage Simpson
5 January, 16:47
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8p-13<-2+7p and 20+4p<2p+14
8p-13<-2+7p
8p-13<7p-2 (Simplify both sides of the inequality)
8p-13-7p<7p-2-7p (Subtract 7p from both sides)
p-13<-2
p-13+13<-2+13 (Add 13 to both sides)
p<11
20+4p<2p+14
4p+20<2p+14 (Simplify both sides of the inequality)
4p+20-2p<2p+14-2p (Subtract 2p from both sides)
2p+20<14
2p+20-20<14-20 (Subtract 20 from both sides)
2p<-6
2p/2 < - 6/2 (Divide both sides by 2)
p<-3
So the answer to your question is:
P <11 and P < - 3
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