How do I solve 7/y - 7/y-8 - 8 = 0
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How do I solve 7/y - 7/y-8 - 8 = 0

[From: ] [author: ] [Date: 12-01-27] [Hit: ]
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7/y - 7/(y - 8) - 8 = 0
Multiply through by y(y - 8)

7(y - 8) - 7y - 8y(y - 8) =0
7y - 56 -7y -8y^2 + 64 = 0
- 8y^2 + 8 = 0
-8(y^2 -1) = 0
-8(y + 1)(y - 1) = 0

y = -1 or + 1
1
keywords: solve,How,do,How do I solve 7/y - 7/y-8 - 8 = 0
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