SOLUTION: Please help I'm stuck { { { (-b-10y/2b)+(9b-9y/2b) } } }

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Question 856689: Please help I'm stuck { { { (-b-10y/2b)+(9b-9y/2b) } } }
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
(-b-10y/2b)+(9b-9y/2b)
note that both terms have the same denominator so we can combine the numerators
(-b-10y+9b-9y) / 2b = (8b-19y) / 2b