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Mathematics 16 Online
OpenStudy (anonymous):

What are the solution intervals for |x + 5| + 3 > 7? need the answer dont know how to solve :(

myininaya (myininaya):

ok try to get |x+5| by itself first so you need to subtract 3 on both sides first so what do you get right after subtracting 3 on both sides

OpenStudy (anonymous):

|x+5|>4

OpenStudy (anonymous):

?

myininaya (myininaya):

thats right! so you should get x+5>4 or x+5<-4 so solve both of these inequalities

OpenStudy (anonymous):

x>-1 or x<-9?

myininaya (myininaya):

yep! ~~~~* *~~~~~ ----|------|------- -9 -1 so you can say the solution is (-inf,-9) U (-1,inf)

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