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542;309
(x^2+4)/x
817;506
623;305
x*(x^2-(2*x)-3)^4*(3*x-x^2)^5 <= 0;x
x
| -15+10x-9x=15 | | log[3](x-5)=3 | | 5s+3.93=40.58 | | -x-16=2x+8 | | -13=5v+7 | | 5x/8=40 | | arctan(3/2) | | 13x+8y=1100 | | 15=-3+4y | | 6+2(7y-7)=-2(4y-1)+8y | | 7c+4=31 | | Y/9=42 | | 12u=4u+64 | | 5x+56=x+20 | | -2.75x-1.75=20.25 | | X+X+45=236 | | X^2-0.4x+0.08=0 | | 3s+20.35=90.10 | | x/2=3/2.91 | | 3/2.91=2/x | | 6u-5+2(4u+3)=-4(u+2) | | -5y+2=0 | | 2v+4v=26 | | -.5x^2+40x-300=0 | | 8(2.18)=32 | | 3x-5x=2x+5 | | (2.9)=123 | | -2x-8.2=6.8 | | cos^2(3x)=2x^2+3x | | 77.10=2s+20.86 | | 1.4=-t/3.5 | | -8-6m=2 |