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X in (-oo:+oo)
(X-2)/(1/4) = 2/7 // - 2/7
(X-2)/(1/4)-(2/7) = 0
(X-2)/(1/4)-2/7 = 0
(X-2)/1/4-2/7 = 0
(7*(X-2))/(1/4*7)+(-2*1/4)/(1/4*7) = 0
7*(X-2)-2*1/4 = 0
7*X-29/2 = 0
(7*X-29/2)/(1/4*7) = 0
(7*X-29/2)/(1/4*7) = 0 // * 1/4*7
7*X-29/2 = 0
7*X-29/2 = 0 // + 29/2
7*X = 29/2 // : 7
X = 29/2/7
X = 29/14
X = 29/14
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