SOLUTION: Solve the equation. Beware of extraneous solutions. (15/x) + ((9x-7)/(x+2)) =9
Algebra.Com
Question 34682: Solve the equation. Beware of extraneous solutions. (15/x) + ((9x-7)/(x+2)) =9
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
[15/x] + [(9x-7)/(x+2)]= [9/1]
LCM = x(x+2)
Multiply both sides by the LCM to get:
15(x+2)+(9x-7)x = 9x(x+2)
15x+30+9x^2-7x = 9x^2+18x
Simplify:
10x=30
x=3
Cheers,
Stan H.
RELATED QUESTIONS
Solve the equation. Check for extraneous solutions.
sqaure root of x+3 = sqaure root of... (answered by checkley77)
Solve the following equation and check for extraneous solutions:
Squareroot of 6 - x - (answered by stanbon)
Solve the equation. Check for any extraneous solutions.
(sqrt(2-x)) =... (answered by mananth,MathTherapy)
Solve the equation. Check for extraneous solutions.
|4x|=28
I dont understand how to do (answered by algebrahouse.com)
Solve the following. eliminate extraneous solutions.
a 7^2x+1=4^x-2
b. 4^x= 3+18(4^-x)
(answered by Alan3354)
Solve the equation and check for extraneous solutions.... (answered by stanbon)
Solve the equation. Check for extraneous solutions.
{{{x^(2/3) =... (answered by nerdybill)
Solve the equation and find extraneous solutions.... (answered by josgarithmetic,MathTherapy)
Solve the equation. Check for extraneous solutions.... (answered by Alan3354)