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OpenStudy (anonymous):
√(x) + √(x-7) = (21/√(x-7)) Solve the equation.
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OpenStudy (anonymous):
\[\sqrt{x} + \sqrt{x-7} = \frac{ 21 }{ \sqrt{x-7} }\]
OpenStudy (tkhunny):
1) Write down \(x \ne 7\) 2) Multiply by \(\sqrt{x-7}\)
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