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n in (-oo:+oo)
n+1 = 7/4 // - 7/4
n-(7/4)+1 = 0
n-7/4+1 = 0
n-3/4 = 0 // + 3/4
n = 3/4
n = 3/4
| a+1=13/7 | | d/3=-5 | | x+1/4=-23/4 | | b-1=11 | | d+10=120/11 | | m=-10 | | b-1/2=-1/6 | | 1/3d=1/7 | | d/6=-5 | | 1=m+2 | | 3/7=w+1 | | 5t=25/11 | | a-1/5=4/55 | | m-2/7=6/77 | | 5/6+a=115/66 | | 61/7=t-2/7 | | -4/5d=-8/15 | | 13=w+5 | | -42/5=a+3/5 | | w/2=-2/7 | | -1+n=8 | | n+10=103/10 | | n-2/3=5/33 | | 25/11=m+2 | | x+2/7=65/7 | | 99-5x=10x+4 | | m=1/9 | | d/2=5 | | 3/4=x-1/4 | | a+9/10=119/10 | | 8+w=43/5 | | t+3/10=-1/5 |