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Solve 5 over x plus 8 equals 3 over x for x, and determine if the solution is extraneous or not.
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Solve 5 over x plus 8 equals 3 over x for x, and determine if the solution is extraneous or not.

User Stark Buttowski
by
8.1k points

2 Answers

1 vote

Answer:

Explanation:

x = 12, non-extraneous

User Nategood
by
9.2k points
3 votes
5/(x+8) = 3/x
Cross multiply
3(x+8) = 5x
3x + 24 = 5x
Subtract 3x from both sides.
24 = 2x
Divide both sides by 2
12 = x
User Michael Seibt
by
8.2k points
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