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OpenStudy (anonymous):
equalities and inequalities
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OpenStudy (anonymous):
3\[3\left| 2x-1 \right|=21\]
OpenStudy (nincompoop):
LMAO you're persistent!
OpenStudy (zzr0ck3r):
|a| = b implies a = b or a = -b so 3|2x-1|=21 solve for the |term| |2x-1| = 7 now we have to solve two things 2x-1 = 7 and 2x-1 = -7
OpenStudy (zzr0ck3r):
can you solve these?
OpenStudy (anonymous):
add 1 to both sides
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OpenStudy (anonymous):
|a| = b implies a = b or a = -b so i dont understand this kinda lingo
OpenStudy (anonymous):
wait a moment!
OpenStudy (anonymous):
so absolute value bars has will have two answers
OpenStudy (nincompoop):
|dw:1374460316961:dw|
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