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x in (-oo:+oo)
(-1/4)*(3*x-5) = 0
-1/4*(3*x-5) = 0
( -1/4 )
-1/4 = 0
x belongs to the empty set
( 3*x-5 )
3*x-5 = 0 // + 5
3*x = 5 // : 3
x = 5/3
x = 5/3
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