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i in (-oo:+oo)
(4*i)/4-i = 0
0 = 0
i należy do R
i in (-oo:+oo)
| (2x-1)(x+5)+(2x-1)(x-2)=0 | | r+3.5=6 | | 6k-3=2k/13 | | -7=7/9w | | y=(m-5)(m-2) | | 20=-5/6u | | 18y+4x=-18 | | y=-3+27 | | y=(b+4)(b-2) | | 4w+10-6w=-1 | | y=(x+2)(x+7) | | 0.2x+0.6=2x-0.12 | | 10m=10-5m+35 | | 19x-6= | | 10+10x+x=6 | | 6+-3x+8=4x+1 | | (w+3)+(w+5)+2w=32 | | 8x+2=7(x-3)+5 | | 2x^2-6x=-7x^2-5x-48 | | B+b+b+2b=2b+12 | | 15x-7.5=30 | | -8-z=x-4x | | 2.5x+8y=50 | | 10=2w-5w+10 | | 4x+2x+5+x-35=180 | | 10m=10-5m-35 | | 7-3y=8-4y | | 7x+262=2x+167 | | 9-45=-2x+9x-6x | | 8x+10=5x+40 | | 9xy-2ay+5xy-2y= | | 7500-3000=36x |