Question

Rezolva inecuatiile URGENT DAU CORONA!!!!!
5x-11<34 2x-13<5 7x+12>19 4x-21<3

Answer 1

5x-11<34
5x<34+11
5x<45
x<9
x apartine {1,2,3,4,5,6,7,8}
2x-13<5
2x<5+13
2x<18
x<9
x apartine{1,2,3,4,5,6,7,8}
7x+12>19
7x>19-12
7x>7
x>1
x apartine {2,3,4,5,6,..,n}
4x-21<3
4x<21+3
4x<24
x<6
x apartine {1,2,3,4,5}