4-x/7x-7=1

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Solution for 4-x/7x-7=1 equation: 


x in (-oo:+oo)

4-((x/7)*x)-7 = 1 // - 1

4-((x/7)*x)-7-1 = 0

(-1/7)*x^2-7-1+4 = 0

-1/7*x^2 = 4 // : -1/7

x^2 = -28

x belongs to the empty set

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