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103*103-(X*Y)-(13*X)-(13*Y);103*103-(X*Y)-(13*X)-(13*Y)
(-5/6)*(-2/15)
9*x-(4*y)-98;(3/5)*y-x
3*x+4*y-253;y-5*x
x-y^2-2;x^2+y^2-5
| 2-(4x+6)=10x-6x-6 | | (-5/6)(-2/15) | | X(2xy-4y)= | | (8x+7x)*10=450 | | X+9+3x+2x-3=180 | | X+48+32=90 | | 5v^2=-30v | | ((x-11)(x-8))/2=35 | | ln(r/6s) | | -3+8c=29 | | -20=-5x+2(x-4) | | 2(x-3)-x=2x+3 | | -y=4x+9 | | x=-y^2+4 | | 4x+4=300 | | 9+9-10+x=20+5-15 | | -6x+17=y | | 70=95-x | | -10+6v=4v | | 8+3z=4z | | C=400X+60000 | | -p+6=2p | | 10=5m-25 | | C=6.28in | | 3u-14=7 | | 5x-2-x=14 | | (1/2)/3=(2/3)/x | | 2x=6+40 | | (2u-7v+6w)-6(-2u+9v-2w)= | | 8(3w+9)=-25 | | 6x+13+2x+11=4x+16 | | 8x+4=16x+5 |