Question

7≤2x+1≤9 ajutor!!!!!!!!!!!!

Answer 1

6_<2x_<8
3_<x_<4
=>x=3;4

Answer 2

7$\leq$2x+1$\leq$9
6$\leq$2x$\leq$8
3$\leq$x$\leq$4
x∈{3; 4}