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7.1;4.2
1224;7
3;20;1;15;0;0
2*ln((4-x)^(1/2))
x+y-35;x-y-7
| -8=2x+35 | | -8(x+12)=24 | | 1/4x-2/3=5/12 | | x^2=(16)(12) | | 6=0(0+b) | | -3v=-4-5v | | c/2-41=59 | | |(2x-6)/(7)|=(3)/(14) | | 7x^2+56x=84 | | -9-q=q+9 | | x^2=(14)(8) | | 18x=70+7x+29 | | 3/4x-14=28 | | 9b-7=-7 | | -3/8*-11=4 | | 45=2v+13 | | a/7-11=-34 | | -11+5x=3x+1 | | 30/78 | | 10=8x-3x | | 6x-4=4(x+1)+2 | | 2(c-3)+5=3(c-1) | | 11+(7x+10)=5(x+5) | | -168=4x+4(6x+35) | | B^2-6b+2=0 | | x+8x=11-2x | | 8x/20 | | 11(y+9)= | | an=7.1-2.2n | | 7X+2-4(2C+1)=3(C-3) | | -37=n-19 | | (2x-1)(3x^2+2x-4)= |