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3-(1/X) = 0
2*x^4-3*x^3+4*x^2-5*x+6;x^2-3*x+1
-2*cos(pi/10)*t
6^ln(x)
2*(1/2)*x*x = 0
| 2x^2=18x-100 | | 4y=28-7x | | y-5y+6y=xe | | b=5Qa | | x+86=24+2x | | 7x-3(x-9)=2(x-3)+4 | | ln(5x)+ln(2+x)=5 | | 7y-4x=48 | | 7x+5y=41 | | 22.9-7y=5.4 | | (x-150)+(x)=1500 | | 1.1=4y+17.5 | | 22.9-7=5.4 | | 75=3(-6n-5)-n | | 9x^2+24x+17=0 | | -47x=-2162 | | A(n)=12+(n-1)(-5) | | -x+26=-2x-24 | | x-.3x=60 | | 3-1/X=0 | | 5.8n=26.1 | | X-(4x-7)=5x | | -12-2x=0 | | -79-22x=-20x+49 | | x^4+3x^3-x^2+8=0 | | y=logbx | | 3t-5=2t+2 | | 4x+32=x+11 | | 5h+14-2h=9-(2-3h) | | -x+43=3x+19 | | 10(x+2)+8x=18x+30 | | 11x-82=14x+86 |