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sin(-pi/3)
23/69 = 2/x
a^2*((3*b)/4) = 0
6628000*a+3720*b-50304.8;3720*a+4*b-27.64
5/c-((7*c)/4) = 0
| 3+4(x+2)=3x+3(x-3) | | 1/3=5=-4 | | 5g+6-2=4g+4x+8 | | 8z+5=-1 | | 2(x-2)-4=2(2x-5) | | xy+2y-x+1=0 | | t*4-5=9 | | a*4+6=12 | | 24x+10y=80000 | | -6.5x+262.5=250 | | 10+2x+6x=42 | | x+8*8=70 | | 8w=4w+8 | | x*x+6x=558 | | 2g-10=-9 | | 2w^2+4w=70 | | x-3+6=10 | | 7a-15= | | x*x+6=558 | | -3+x^2=5x-21 | | 23/69=2/x | | 3b/4a^2 | | 5+4n+3n=-2 | | 4y=y+21 | | -12=4+4x | | m=-5/7 | | -5=2+7n | | 3x+3y=-78 | | -18x=-6x | | -2a=22 | | -5.5h-7.5h=26.5 | | 2+3n+4n=-12 |