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x-(2*y)-3;y-2*x
880/11
3^((-6/5)*x)
6^((-6/5)*x)
((3^-6)/5)*x
| 5t-10-8t=3+t-8 | | H+2=5+(2h-15) | | x+2x+3-x=2x+5 | | 6x-15=3(x+7) | | 6x-15=3(x-7) | | 3y-2=6y+7 | | 2x+86=90 | | 6d+9=3(d-1) | | 7(18)+9y=63 | | -8=-(3y-22) | | 4.19=6.25-y | | 4(2j+5)=15+7j | | -16+x=4(3x+7) | | 14-2u=3u-13(u-6) | | 2x-4=y-4 | | 4s+12=3(2s-1)+21 | | 9x^2=95 | | y-4=2x-5 | | 10+Y=21 | | 4d-36=-3 | | 2y-13=2y-5 | | (X+10)+(x+10)=90 | | 2y-5=2y-13 | | 3f+2(f+3)=3f+24 | | 9x^2-7x+1=0 | | -9x+13x-93=43 | | x-20=230 | | 3x+16=-5x-14 | | -2x(16x+3x-7)= | | 4x+3+2x=x+3 | | -(-5/2x-3/2)-x=-3/2 | | 5+3(r-4)=11 |