Zadanie 2x+3_>5
2x+3_<5
źródło:
2x+3$\geq$5 2x$\geq$5-3 2x$\geq$2 x$\geq$1
2x+3$\leq$5 2x$\leq$5-3 2x$\leq$2 x$\leq$1