Question

Sa se rezolve inecuatia: 2x+3 supra 3 mai mic sau egal decat x-1 supra 2

Answer 1

2x+3/3≤x-1/2
4x+6≤3x-3  am adus la acelasi numitor
4x-3x≤-3-6
x≤-9

Answer 2

2x+3/3≥x-1/2⇒
2(2x+3)≥3(x-1)⇒
4x+6≥3x-3⇒
4x-3x≥-6-3⇒
x≥-9
sucees