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64;35
240;3090
264;31
3;10;8;10;-1;2
79;43
| 13-4y=68+y | | 4x+9=6x-3+2x | | 2(5y+12)+y=5 | | 36-3y=39 | | 5(2x-1)=(x-3) | | 5^3x-1=1/625 | | f(x)=x^3+x^2-9x-9 | | (5-x)=2.65 | | -15x-15+30=10 | | 3x-5x-15+30=10 | | 50x^2+5x-105=0 | | x^3+4x^2-13=0 | | 9x^2-49x+20=0 | | 2X+(x+13)+x=141 | | 36x^2-104x+64=0 | | Cos(x)=Cos(2x)*Cos(3x) | | 9(2x+7)=11(x+19) | | 4x^3-30x^2+56x=0 | | 30=55x | | cos(x)=-1/2 | | Y+4=-5x(x-1) | | 30x^2-258x-420=0 | | 15x^3+175x^2+250x=0 | | f(x)=x^3-24x^2+144x+25 | | 4n+p=880 | | 1/(4-3x)=0 | | 30=x-1/3x-1/4x | | 21x+4=31 | | x+2y-x+3y=0.1 | | (-6x+7)(7x-5)=0 | | 4n-4=10 | | Y=n+8x-x^2 |