Question

Rezolvati inecuatiile : 
a. 2x+2 <sau egal cu x
b. 3y -2 > 5y + 4
c.12x -1 > sau egal cu 12x - 2
d. 1,2x -3 < 2x

Answer 1

2x+2$\leq$x
x$\leq$2

3y-2>5y+4
-2y>6
y>-3     S:(-3;+ infinit)

1,2x-3<2x
-0,8x<3
x<-3,75    S:(- infinit; -3,75)

12x-1$\geq$12x-2
0$\geq$-1