SOLUTION: 9/2+5/2y=2y-4

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Question 500847: 9/2+5/2y=2y-4
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Let's first get rid of the fractions. Multiply by 2y
9/2+5/2y=2y-4 to get:
9y+5=4y^2-8y
Move it all to one side:
4y^2-17y-5
Use quadratic formula x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x = (17 +- sqrt( 289+80))/(8)
x= (17+3sqrt41)/8
x= (17-3sqrt41)/8
Make sense?
RJ
www.math-unlock.com