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2*cos(x)-(x*sin(x))
sin(x)+x*cos(x)
x*sin(x)
x^3-(4*x^2)-(21*x) = 0
3/(-7) = 0
| 3x+5=x+8+x | | 1.75y=2-10 | | Cosx*(cosx+5sinx)=1 | | 24v-23v+5v-3v=27 | | 4x-2x+12=4x+4 | | 63=6(m+2.7) | | 29b+4b+4b+6b-37b=48 | | 4072-01-02-05-00_files/i0150000.jpg | | 3/-7 | | 6s*24=1140 | | y-1=6(x-3) | | 12b+10b+5b-18b-5=40 | | -8x+2x=12+-3x | | 17x+45=9x+5 | | 7n-3n+5n-8=19 | | 28/7=x/12 | | 12r-6r-6r+2r-1=43 | | 4h-h+2h=10 | | 287=104-v | | 2b+4b-3b-2b=6 | | 16z+3z-18z-z+z-1=38 | | 11=8*(X+1)-44 | | 134=-v+208 | | -0.6-7n=-3n+8 | | 13m+m+5m+m-3=17 | | 26t-19t-4t-2t=45 | | -u+58=193 | | 2j+4j-5j=17 | | 15t-9t-3t-t-2=16 | | -4d+3=8d-3 | | x-x+x-1=9 | | 10j-j-8j+j+1=17 |