Question

aflati x e n astfel incat a) 3(x-4) mai < sau = cu 5
b) 2(x-5) <10
c) 2x + 5> 3x

Answer 1

3x-12<=5
3x <=17
x <=17/3 => x€{0,1,2,3,4,5}

2x-10<10
2x<20
x<10 => x€{0,1,2,3,4,5,6,7,8,9}

2x-3x>-5
-x>-5
x<5 =>x€{0,1,2,3,4}