It's seven
32 - 2x < 18
32-2x < 18
35-2x<18 35<18+2x 35<2(9+x) 17.5<9+x 26.5<x
2x-5 is twice a number decreased by 5.
Either 2*(n-4) = 2n - 8 or 2n - 4 It depends on whether the "twice" operates on "the number decreased by 4" or "the number".
24
60 - 2n
13
the number is negative two.
139
three times a number decreased by eleven