X/7-x/9=5

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Solution for X/7-x/9=5 equation: 


x in (-oo:+oo)

X/7-(x/9) = 5 // - 5

X/7-(x/9)-5 = 0

1/7*X-1/9*x-5 = 0 // - 1/7*X-5

-1/9*x = -(1/7*X-5) // : -1/9

x = (-(1/7*X-5))/(-1/9)

x = -9*(5-(1/7*X))

x = -9*(5-(1/7*X))

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