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If 9:x = x:4, then x is 6
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If 9:x = x:4, then x is 6

User Mario Levrero
by
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1 Answer

3 votes

Answer:


x = \pm 6

Explanation:


\frac9x = \frac x4\\\\\to 9 * 4 = x * x\\\\\to 36 = x^2\\\\\to \pm 6 = x

Both 6 and -6 can be the value for x.

User Eldaniz Ismayilov
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