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i in (-oo:+oo)
1/1-i = 0
1-i = 0
1-i = 0 // - 1
-i = -1 // * -1
i = 1
i = 1
| =2(-3y-1)+(2y+7) | | 3.1=1.7+0.3x | | 2+4m=3m-5 | | x/7-5=- | | 9x-17=-10 | | y(5y+9)=0 | | 2/3(-2a)=6 | | 6=0.2u+0.2 | | 7x+1=5x | | 7x+4-2x=-4+31 | | 7-2y+5= | | 7X-12-18X=21 | | 3n+3=90 | | 2x+4+3x-9=40 | | X+x+50+3x=100 | | 1/3h-4(2/3h-3)=2/3h-7 | | 6a+7=4+7 | | X+x+50+3x=1000 | | 8x-2=4+2x | | 5/4-y-1/4 | | X-2=2(2x-17) | | -6a+3(11-8a)-2=0 | | 7(4-x)=112 | | 8/13=y/12 | | -7x+57=12-7(x+8) | | X^2=5n | | Y+-5=10y-14 | | 4x^2+38=-34 | | 12y+4x=12 | | 21-87= | | x(x^2-8x+3)= | | 5(2n+7)=19 |