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April 18, 2015

April 18, 2015

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

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

- Algebra-Please check -
**MathMate**, Tuesday, October 12, 2010 at 11:18am5 is correct for

sqrt(2x + 15) = x

Notice that parentheses are required to show an expression correctly.

For the second one, would you like to double check:

7-x = 9,

x=?

or

does

7 - 2 = 9?

- Algebra- Math mate-Please check -
**Juliette**, Tuesday, October 12, 2010 at 12:13pmShould it be (-2) instead of positive 2

- Algebra-Please check -
**kayla**, Tuesday, December 11, 2012 at 5:42pm3(x-2) 3x-6

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