y(y-1)-ykwadrat =2 2x(2x-5)-4(xkwadrat +1)=1 x+1\2x-3=2x 2-(x-2)-x(5x-2)=-4 2x/3+5x/2=19 4x/9-5x/12=1 3x/2+x/6-2x/9=13 1-9x/5-19+3y/8=0 2(x+2)-3(x-1)+8=3x-1 4x-3(x+7)-5x+2(x-1)=9
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y²-y-y²=2
y=-2
4x²-10x-4x²-4=1
-10x=1
x=-1/10
x+1/2x-3=2x
1½x-3=2x
-3=½x
x=-⅙
2x/3+5x/2=19 /*6
4x+15x=19
19x=19
x=1
4x/9-5x/12=1 /*3
4x/3-5x/4=3 /*12
4*4x-3*5x=36
16x-15x=36
x=36
2x+4 -3x+3+8=3x-1
-x+15=3x-1
-4x=-16
x=4
4x-3x-21-5x+2x-2=9
2x-23=9
2x=32
x=16
niestety nie sa tutaj wszystkie prtzyklady poniewaz 3 mi nie wyszly...