Answers created by moon l.

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• How do you solve #4+ \frac { 1} { u - 2} = - \frac { 3} { u - 3}#?
  
• How do you find the points that the line tangent to #f(x)=x/(x+2)# has a slope 1/2?
  
• What are two consecutive odd integers whose sum is 172?