Question

Va rog daca 3(x+1,5)+12,7<9:0.3 si x€N atunci x€{....}

Answer 1

3(x+1,5)+12,7<9:0.3
3x+4,5+12,7<30
3x+17,2<30
3x<30 -17,2
3x<12,8
x<12,8:3
x<4,2(6)
x∈{0,1,2,3}