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(x-3)x(2x+1)=0
| 21x/2=7 | | 5x2+26x+5=0 | | 13+2x=7(-x+9)-68 | | -7(x-7)=7 | | 12-x2-x=0 | | 20n^2=8n-96=0 | | 7x/2=3 | | 104-x=160 | | 18+3x-x2=0 | | .8x+1.4(1-x)=1 | | 6x2=7x−2 | | (x=4)^2=42.25 | | 12-x=2x-3 | | n(n-1)=3*2 | | n(n-1)=6 | | 4.6x+3=21 | | 5x-30=120/12 | | 9(9+x)=135 | | 24(2/3)=m | | 3(7+4x)=165 | | x+3332.22=12.78 | | 6a-4=a-34 | | 5(9+6x)=255 | | A+12=4a+9 | | 52=3(x-1) | | 4y-18=36 | | 8-x/7=-6# | | 1/2x+-6=1 | | -x/3=26x= | | x+(x/1.9)=92.8 | | (2x-15)+4x=48 | | 5(2x+4)=48 |