Question

2x+2<4 si x>sau egal 3

Answer 1

Răspuns:

2x<2 => x<1 => x apartine (-infinit;1)

x=>3 => x apartine [3;infinit)

Answer 2

Explicație pas cu pas:

2x+2<4

2x>4-2

2×>2

×>2:2

x>1=2,3,4,5,6,7,8,9,,,,..........