Rozwiąż Równania {3/5x + 1/2y = 2 {1/2(2x - y) = 2

3/5x = 0.6x 0,6x+0,5y=2 0,5(2x-y)=2 0,5y=2-0,6x /*2 x-0,5y=2/*2 y=4-1,2x 2x-y=4 y=4-1,2x 2x-4-1,2x=4 y=4-1,2x 0,8x=8 y=4-1,2x x=10 y=4-12 x=10 y=-8 x=10

{3/5x + 1/2y = 2 {1/2(2x - y) = 2 {3/5x + 1/2y = 2 x-1/2y=2 1 3/5x=4 8/5x=4 /:8/5 x=2 1/2 x-1/2y=2 x=2 1/2 2 1/2-1/2y=2 x=2 1/2 -1/2y=2-2 1/2 x=2 1/2 -1/2y=-1/2 /:(-1/2) x=2 1/2 y=1 x=2 1/2