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Mathematics 15 Online
OpenStudy (anonymous):

6 over x+4=+4 over x-2 what is the two xs

OpenStudy (dumbcow):

cross-multiply \[\frac{6}{x+4} = \frac{4}{x-2}\] --> 6(x-2) = 4(x+4) --> 6x -12 = 4x+16 --> 2x = 28 --> x = 14

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