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Algebra
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OpenStudy (anonymous):
Help me solve this inequality please? will medal :3
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OpenStudy (anonymous):
\[\left| x-1 \right|>7\]
OpenStudy (anonymous):
I got x>6, is that right?
OpenStudy (anonymous):
@danJS
pooja195 (pooja195):
You should have 2 answers
pooja195 (pooja195):
We know either x−1 > 7 or x−1 < −7
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pooja195 (pooja195):
x−1>7(Possibility 1)
x−1<−7(Possibility 2)
Solve both of those for x
OpenStudy (anonymous):
i got 6 and -8
pooja195 (pooja195):
Can you show me how because the numbers are right but the symbols are wrong
OpenStudy (anonymous):
x-1>7 x-1>-7
-1 -1 -1 -1
x>6 x>-8
pooja195 (pooja195):
think of the two statements as
x-1=7
x-1=-7
now solve for x
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pooja195 (pooja195):
For both equations u would ADD the one to both sides rember we are isolating x
pooja195 (pooja195):
x-1>7 x-1>-7
+1 +1 +1 +1
x>? x>?
OpenStudy (anonymous):
ohhh i see what i did wrong v.v
pooja195 (pooja195):
thats good :) we are here to learn! :)
now tell me what the answers are :)
OpenStudy (anonymous):
x>8 and x>-6
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pooja195 (pooja195):
good :)
x>8 or x<−6
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