August 2018 2 26 Report
Możecie mi sprawdzić i poprawić błedy?

zad1. Rozwiąż układ równań

2x-y+3y/3-x-2y+3/4=4
3x-4y+3y/4+4x-2y-9/3=4

12(2x-y+3y/3)-12(x-2y+3/4)=12*4
12(3x-4y+3y/4)+12(4x-2y-9/3)=12*4

8x-4y+12-3x+6y-6=48
6x-12y+9+8x-6y-36=48

8x-3x-4y+6y=48-12+6
6X+8X-12Y-6Y=48+26-9

5x+2y=42
13x-6y=75
(dalej nie wiem jak robic)
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