Przekształć wzory:
1. 10x-12y+2=0
2. 5x-3y=2
3. 1,1x+0,9y=2
4. x-y=0
tak aby było y=.......
-12y=-10x-2 /:(-12)
y=5/6x+1/6
-3y=-5x+2/:(-3)
y=5/3x-2/3
0,9y=-1,1x+2 /:0,9
y=11/9x+20/9
y=x
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-12y=-10x-2 /:(-12)
y=5/6x+1/6
-3y=-5x+2/:(-3)
y=5/3x-2/3
0,9y=-1,1x+2 /:0,9
y=11/9x+20/9
y=x