5x-7 = 0,2x+3,2
------- =----------
3 = 0,3

5x-7 = 0,2x+3,2------- =----------3 = 0,35x-7 = 0,2x+3,2------- =----------3 = 3/105x-7 = 10(0,2x+3,2). |------- =----------. |•33 = 3. |5х-7=2х+325х-2х=32+73х=39х=135*13-7 = 0,2*13+3,2------- =----------3 = 0,365-7 = 2,6+3,2------- =----------3 = 0,358 = 5,8------- =----------3 = 0,358/3=58/3верно