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x^5;x^2+3
4*x-2*x^2+1 > 0;x
x
4*x-2*x^2+1 = 0;x
x
4.1*x = 3.11*x+40.3;x
x
4.1*x = 3.11*x+40.4;x
x
| 180=(8x+20) | | 4(-x)+1=2x+2-5(1-4x) | | 5m^2+7m-6=0 | | 7y-5(y+1)=27 | | 7(5-x)=3(x+5) | | 7y-5(y+3)=27 | | 12x-(5x-7)=35 | | 6x-3x+9=x-6+15 | | 7(5-x)=3(x+15) | | 2*log(3-x)=1-x | | 3x-20=y+10 | | -3t^2+18t+2=0 | | 4a+8b-9a-9b=0 | | 3x/11-9=3x | | y+6=-3(x-4) | | -7x-4-3x=2+4x-6 | | -3[2(x+4y)-(x-y)]=1 | | 4a-9a-9b+8b=0 | | 7t+2t= | | -6x-2+x=2x+3 | | 15x+4=30x+10 | | 15x-1=9x+4 | | p1v1/ti=p2v2/t2 | | -7-(2x+9)=11x-5(1-x) | | 2(4+3)=10x-2 | | 2/5(3-2x) | | 7(y-4)/4=-2y | | 3-14r+8r^2=0 | | 100[0.05(y+5)]= | | -(1+7s)-6(-7-s)=36 | | 10x-20=8x+40 | | 42=3/2x |