Question

aflati valorile numarului natural x stiind ca 3x -1 < x + 3

Answer 1

3x - 1 < x + 3

3x - x < 3 + 1

2x < 4

x < 4 : 2

x < 2

x ={ 0; 1}

Answer 2

3x-1<x+3
3x-x<3+1
2x<4 |:2
x<2
x={0;1}