Questions on Algebra: Complex Numbers answered by real tutors!

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Question 153396: 4x+7y=-5xy solve for y: 4x+7y=-5xy solve for y
Answer by orca(336) About Me  (Show Source):
You can put this solution on YOUR website!
4x+7y=-5xy
4x+7y-7y=-5xy-7y (subtracting 7y from both sides)
4x=-5xy-7y
4x=y(-5x-7)
4x/(-5x-7)=y (dividing both sides by (-5x-7))
So y =4x/(-5x-7)
Or written as:
y = 4x/(-(5x+7))=-4x/(5x+7)