Posted by **Lala** on Wednesday, February 16, 2011 at 8:34pm.

Please check if I did this right...

√(2x+1)+7= 3

-7 -7

√(2x+1)= -4

Square everything

√(2x+1)^2= -4^2

2x+1=16

-1 -1

2x=15

divide by 2 on both sides

x=7.5

CHECK: (Plug it in)

√(2(7.5)+1)+7= 3

√(16)+7= 3

4+7=3

11 doesn't equal 3

so the answer is no solution? right?

- Math- Algebra II -
**helper**, Wednesday, February 16, 2011 at 8:47pm
correct, no solution

- Math- Algebra II -
**Lala**, Wednesday, February 16, 2011 at 8:48pm
Thank you so much!

## Answer This Question

## Related Questions

- 8th grade algebra - Can you check my answers? 1. 3√20/√4 = 3√(...
- Math - Find an equation of the line that bisects the obtuse angles formed by the...
- Algebra 2 Answer Check - Simplify by rationalizing each denominator. 1. 2/√...
- MATH PLEASE CHECK IT!!2 - sqrt2/sqrt10 here is what I got: sqrt (2/10)= sqrt (1/...
- Algebra Work Check - 1. 5√6 * 1/6√216 5/6 * √1296 5/6 * √...
- Algebra - How would i complete these problems? 1. (√6mn)^5 2. ^3√16x...
- math - How would I come about to the solution and what the answers to the ...
- Algebra 2 - Can someone help me with this radical expression please? The problem...
- maths - I will be thankfull to you if you help me to solve the below problem: 6...
- Math - I need someone to check my homework answers. I don't really know this ...

More Related Questions