1) {(x - 3y = 5 - 0,2x - 20y, {0,5x - y - 2= 2 - x - 20y;
2) {(2x +5=1- x + 2y,
{14x -5=9x - 3y - 2;
3) {7x - 3y = -2,
{-8x + y = 12;
4) {1/2*x+3y=1,5,
{0, 5х-2y =4
5) {4x - 3y = -3,
{-10x – 6y = 3;
6) {(10x + 3y = 0,1,
{7x – 2y = 1,3.

tixon1501    1   07.09.2021 14:07    0