x/2-9-x/7 - solution

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Solution for x/2-9-x/7 equation:

x in (-oo:+oo)

x/2-(x/7)-9 = 0

5/14*x-9 = 0 // + 9

5/14*x = 9 // : 5/14

x = 9/5/14

x = 126/5

x = 126/5

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