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211;100;19;9;0;0
1;6;5;6;2;0
9;1;0;0;13;0
35;6;0;0;0;0.2
3*x+5 = 8*x-9;x
x
| 1.04(1.23)(7-x)=8 | | -7(2x-2)+5(3x-3)-2=6-2 | | 21=2w-15 | | 5x+20=505 | | -2a=-21-5a | | 4/6÷8 | | 1x+0.5y+0.25z=100 | | 19.6-7y=2.1 | | 9x-(6x-9)=7+2x | | -6r-4r=-20 | | x+x+1=71 | | 12+4lnx=4 | | -6.4+3x=3.2 | | 5=21+x | | 7(p+8)=-14 | | 2x-3x=80 | | 30.8-8u=5.2 | | -5(x+1)=75 | | (Y-6)-(y+2)=9 | | x*11+x*11*0,12=835000 | | x-2y=6y | | 5=7c-8c | | 3x-2.6=2.2 | | x+x+23=29 | | 6+2lnx=20 | | 3x/5-67 | | 2(4w+6)=2 | | -2s-10s=24 | | 5t+25=5 | | 12x(-4x-6)=5x | | 5(r-10)=-50 | | 2(4+-1.5y)+3y=8 |