SOLUTION: what is the answer 4y + 5y __________ 15y-30 + 6y-12

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Question 228444: what is the answer 4y + 5y
__________
15y-30 + 6y-12
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
Combine like terms in the numerator and denominator.
%289y%29%2F%2821y-42%29

Factor the denominator. The common factor is 21:
%289y%29%2F%2821%28y-2%29%29+

Divide out the factor of 3. Divide 3 into 21, which leaves a factor of 7 in the denominator:
%283y%29%2F%287%28y-2%29%29+

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus