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x in (-oo:+oo)
(1/4)*x-(1/3) = 5/12 // - 5/12
(1/4)*x-(1/3)-(5/12) = 0
(1/4)*x-1/3-5/12 = 0
1/4*x-3/4 = 0 // + 3/4
1/4*x = 3/4 // : 1/4
x = 3/4/1/4
x = 3
x = 3
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