SOLUTION: Perform the indicated operations. Give the answer in lowest terms. (7)/(r)+(7)/(r-8)

Algebra ->  Equations -> SOLUTION: Perform the indicated operations. Give the answer in lowest terms. (7)/(r)+(7)/(r-8)      Log On


   

Question 201045: Perform the indicated operations. Give the answer in lowest terms.
(7)/(r)+(7)/(r-8)
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
7/r - 7/(r-8)
.
[ 7(r-8) -7 (r)] / r(r-8)
.
(7r -56 -7r ) / (r^2 -8r)
.
(-56) / (r^2 -8r)