SOLUTION: I am working on this problem and need help. Which of the following is the solution to 7/x+1=9/x-3?-solving fractional a.-15 b.1 c.15 d.-1-i picked

Algebra ->  Linear-equations -> SOLUTION: I am working on this problem and need help. Which of the following is the solution to 7/x+1=9/x-3?-solving fractional a.-15 b.1 c.15 d.-1-i picked      Log On


   

Question 900341: I am working on this problem and need help.
Which of the following is the solution to 7/x+1=9/x-3?-solving fractional
a.-15
b.1
c.15
d.-1-i picked
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

IF...7%2F%28x%2B1%29=9%2F%28x-3%29  | Cross Multiplying to solve

7x-21 = 9x + 9

  -30 = 2x

 -15 = x