Solving Rational Equations

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1. Solve -16 / (x^2-64) - x / (x-8) = 1 / (x+8).


  x = {- 1}

 x = {-1, -8}

  No Solution


2. Solve  (x+3)/6 = 1/(x-2).

  x = {-3, 4}

  x = 2

  No Solution


3. Solve 1/(x-6) + 1/(x+6) = 12/(x^2-36)

  x = {-6, 6}

  x = {0}

   No Solution

 

4. Solve  1/x - 1/y = 1/z for z

 (xy)/y - x

 z   =  xy + xz

 z   =  x - y



5. Solve Pv/nt = rfor t. 

  (pv)/(nr) = t

  (r n)/(Pv) = t

  Pvnr = t


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Copyright © 2001 Donna Tupper.