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x in (-oo:+oo)
3*(x-1)-((9*x-1)/2) < 26 // - 26
3*(x-1)-((9*x-1)/2)-26 < 0
3*(x-1)+(-1*(9*x-1))/2-26 < 0
(2*3*(x-1))/2+(-1*(9*x-1))/2+(-26*2)/2 < 0
2*3*(x-1)-1*(9*x-1)-26*2 < 0
-3*x-52-5 < 0
-3*x-57 < 0
(-3*x-57)/2 < 0
(-3*x-57)/2 < 0 // * 2^2
2*(-3*x-57) < 0
( -3*x-57 )
-3*x-57 < 0 // + 57
-3*x < 57 // : -3
x > 57/(-3)
x > -19
( 2 )
2 < 0
x belongs to the empty set
(-oo:-19) (-19:+oo) -3*x-57 + - 2 + +
x in (-19:+oo)
(-19:+oo)
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