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OpenStudy (anonymous):
Solve each equation. Check for extraneous solutions 7+√2x-1=10
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OpenStudy (mertsj):
Subtract 7 from both sides first
OpenStudy (mertsj):
what do you get?
OpenStudy (mertsj):
\[\sqrt{2x-1}=3\]
OpenStudy (mertsj):
Now square both sides.
OpenStudy (mertsj):
\[2x-1=9\]
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OpenStudy (mertsj):
\[2x=10, x=5\]
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