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Mathematics 21 Online
OpenStudy (anonymous):

will fan and medal! help ! solve each inequality n-8>5 p+5<10

OpenStudy (isaiahlobo):

hi

OpenStudy (isaiahlobo):

hmm

OpenStudy (isaiahlobo):

srry dont know

OpenStudy (welshfella):

first one add 8 to both sides

OpenStudy (welshfella):

tell me what you get

OpenStudy (anonymous):

16 and 13?

OpenStudy (welshfella):

how do you get 2 numbers?

OpenStudy (welshfella):

you add 8 to both sides to isolate n n - 8 + 8 = n

OpenStudy (anonymous):

sorry when you said both sides I added 8 to 8 and 8 to 5

OpenStudy (welshfella):

ok you add 8 to -8 in order to eliminate the -8

OpenStudy (welshfella):

this gives n > 13 which is your solution

OpenStudy (welshfella):

do you follow that ok?

OpenStudy (anonymous):

yes

OpenStudy (welshfella):

OK now for the 2nd inequality p + 5 < 10 what do you need to do to both sides to isolate p ?

OpenStudy (anonymous):

add 5 to both sides?

OpenStudy (welshfella):

what makes p + 5 equal to p?

OpenStudy (welshfella):

No if you add 5 that would make left side = to p + 10

OpenStudy (welshfella):

the 5 is correct but the operation is wrong

OpenStudy (anonymous):

okay

OpenStudy (welshfella):

fill in the blank p + 5 ___ 5 = p

OpenStudy (welshfella):

what sign goes in the blank space?

OpenStudy (anonymous):

>?

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