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OpenStudy (anonymous):
Solve the following equations for x. Identify any extraneous solutions. Show all work. sqrtx-7+5=11
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OpenStudy (anonymous):
i have 4 of theses to do and i am having trouble understanding
OpenStudy (anonymous):
The sqrt is over?
OpenStudy (anonymous):
x-7
OpenStudy (souvik):
subtract 5 and square both sides
OpenStudy (anonymous):
so it would be sqrtx-7=9?
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OpenStudy (souvik):
now square both sides..
OpenStudy (anonymous):
Then get the value of x. For any problem, identifying extraneous solutions is simple. substitute back and check whether you are getting any absurd result.
OpenStudy (marissalovescats):
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