SOLUTION: sqrt(x+7)=2

Algebra ->  Rational-functions -> SOLUTION: sqrt(x+7)=2      Log On


   

Question 630332: sqrt(x+7)=2
Found 2 solutions by jim_thompson5910, ewatrrr:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28x%2B7%29=2

x%2B7=2%5E2

x%2B7=4

x=4-7

x=-3

So the solution is x=-3

--------------------------------------------------------------------------------------------------------------
If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim
--------------------------------------------------------------------------------------------------------------

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

sqrt%28x%2B7%29=2    ||  Squaring both sides of the EQ

      x+7 = 4

      x = -3



and...

sqrt%28-3+%2B+7+%29+=+sqrt%284%29+=+2