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July 22, 2014

Homework Help: Algebra-Please check

Posted by Juliette on Tuesday, October 12, 2010 at 11:12am.

Please check-
sqrt of 2x + 15 = x
Answers:
-5.3
-3.5
-3
5

I think according to my calculations it would be 5, correct?

sqrt root of 7-x = 3-solve for x
Answers:
-2
2
4
-4
My choice would be 2
Is that correct-
I squared both sides and came out with 7-x = 9
and then x = 2

Thank you for taking the time to check this

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