X/7=x/9

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Solution for X/7=x/9 equation: 


x in (-oo:+oo)

X/7 = x/9 // - x/9

X/7-(x/9) = 0

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

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

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

x = 9/7*X

x = 9/7*X

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