SOLUTION: solve: 20 over x = 20 over x-4 + 4 over x show work
Divisibility and Prime Numbers
-> SOLUTION: solve: 20 over x = 20 over x-4 + 4 over x show work
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Algebra: Divisibility and Prime Numbers
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20 over x = 20 over x-4 + 4 over x
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20/x = 20/(x-4) + 4/x
Multiply thru by x(x-4) to get:
20(x-4) = 20x +4(x-4)
20x-80 = 20x+4x-16