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87;15
490000;10000
4;1;3;4;0;0
43;15
315;30
| -2(x+2)=3x-9 | | 10x+9=18x+7 | | 5y+1=51 | | 30x+20y=300 | | 9n-8n=13 | | 5y+1=851 | | x^2+y^2+8x-6y+21=0 | | x*y=164 | | 5x^5+3x-5=3 | | 3c+50=c+60 | | -8811=t | | 5/x=0.03 | | 18m-40=22 | | 2z^2-6z-20=0 | | 2e+3f-5e+2f= | | 7k+63=63 | | 7x^2-24x+72=0 | | 2x-6=-3x+4 | | 2bx=2b-1 | | 35/q=5/3 | | 35/q=5/9 | | sin^4(2x)=4 | | 6(w-6)=4w-28 | | 4n=-3n+3+1 | | 9x+4=5x-7 | | 5(x+9)=c+69 | | (4r-1)(3r+4)= | | y=2x-3/x | | sin(2x)=3 | | -4x+-9y=63 | | 100=120-2x | | 26-17=4x-7 |