SOLUTION: I can't remeber how to solve for x in a case such as this: (I've looked everywhere) 1/sqrt(30-x)= 4 Thanks.

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: I can't remeber how to solve for x in a case such as this: (I've looked everywhere) 1/sqrt(30-x)= 4 Thanks.      Log On


   

Question 21550: I can't remeber how to solve for x in a case such as this: (I've looked everywhere)
1/sqrt(30-x)= 4
Thanks.
Answer by pwac(253) About Me  (Show Source):
You can put this solution on YOUR website!
1%2Fsqrt%2830-x%29=4solve for x
get rid of square root by squaring whole equation
1%2F%2830-x%29=16multiply both sides by 30-x
1=16%2830-x%29
1=480-16x
-16x=-479
x=%28-479%29%2F-16
x=29.9375
hope this helps
Pete