Question

Solutiile ecuatiei 6(2x+3)+4(x-2)<3(3x-2)+37, x aparține N*, sunt:

Answer 1

6(2x+3)+4(x-2) < 3(3x-2)+37 <=>

12x+18+4x-8 < 9x-6+37 <=>

16x-9x < 31-10 <=>

7x<21 <=> x < 21:7 <=>

x < 3 ; x∈ N* => x={1,2}