SOLUTION: 28.) Preform the indicated qperations. Reduce answer to lowest terms. a+7/a-4 + 9-5a/a-4

Algebra ->  Test -> SOLUTION: 28.) Preform the indicated qperations. Reduce answer to lowest terms. a+7/a-4 + 9-5a/a-4      Log On


   

Question 163699This question is from textbook Elementary and Intermediate
: 28.) Preform the indicated qperations. Reduce answer to lowest terms.
a+7/a-4 + 9-5a/a-4 This question is from textbook Elementary and Intermediate

Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
%28a%2B7%29%2F%28a-4%29%2B%289-5a%29%2F%28a-4%29
=%28a%2B7%2B9-5a%29%2F%28a-4%29
=%2816-4a%29%2F%28a-4%29
=4%284-a%29%2F%28a-4%29
=-4%28a-4%29%2F%28a-4%29 (note that 4 - a = -(a - 4))
= -4