Question

Rezolvati plz imi trebuie in seara asta !
lx+3l<8
3lx-2l-2lx+5l=7x-8
lx+1l>3

Answer 1

x+3<8
x>8-3
x>5
x egal 0,1,2,3,4

3x+2-2x+5 egal 7x-8
3x-2x-7x egal -2-5-8
1x-7x egal -2-5-8
-6x egal -15
x egal $\frac{-15}{-6}$
x egal $\frac{15}{6}$ (simplifici 15 cu 6)
x egal $\frac{5}{2}$

x+1<3
x<3-1
x<2
x egal 3,4,5...infinit