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n in (-oo:+oo)
16/4 = n // - n
16/4-n = 0
4-n = 0 // - 4
-n = -4 // * -1
n = 4
n = 4
| -32=2(v+4)+2v | | 11.68-0.48/(-1.6) | | px^2-2x+3=0 | | 11j=110 | | 2y+95=3(4y-5) | | 13n=12n+27 | | z/35.1=0 | | 28/i=4 | | -62+4x=-6x+58 | | 2w+3(w+4)=7 | | 11x-10y=19 | | 3.9/z*9 | | 6+10x=-14 | | 4x-5y=40 | | 9c-4=68 | | x^2-x-x-20=0 | | 6+10x=36 | | 14+g=26 | | 10r+15=105 | | 9-z/3.9 | | a/4+19=16 | | 104-6x=6x+20 | | 21b-15= | | 4x+20/12+4x | | 9=z/3.9 | | 18=6(y-7)+2y | | 7(2+4x)=70 | | 5c+20=35 | | V+2c=5.35 | | 61-2x=8-8x | | 10t-2=-32 | | 1.86=6.2m |