Question

Sa se rezolve sistemele de inecuatii:
a) 2x+2>=3(2-x)
x-1/2<0
b) 2(x-1)>=x-3
x+1-(1-x)<0
c) x/2+x/3<5
2+x>=5-2x

Answer 1

a) 2x+2>=3(2-x)
2x+2>=6-3x
2x+3x>=6-2
5x>=4
x>=4/5
x>=0,8

b)2(x-1)>=x-3
2x-2>=x-3
x>=-1