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1500*x^2+x+3 = 0
3/(x-1) = 2*x-7
x^2-(100*x)-1221 < 0
0*cos(x) = 0
90*cos(x) = 0
| 10b-3=3b+60 | | 5x+6z=7+2y | | 3/(x-1)=2x-7 | | C^2+5c+4= | | 4.5x=1066.50 | | 2w-2-3w-14=0 | | 2x+-5(x+17)=-49 | | C^2+13cg+40g^2= | | 3x+2y=x+(-z) | | x/4=-6/7 | | -10=27 | | y/9-1=3 | | 12x+14y=1016 | | 2r(7r^2-15r+4)= | | 12x+14b=1016 | | 9(v+2)-3v=3(2v+2)-14 | | y=cosh(ln(8x^3)) | | 14r^3-30r^2+4= | | 5y-4=11y+7 | | 14r^3-30r^2+4=2r | | 1/3=N=4/3 | | 5sin^2x-3cos^2x=0 | | 23=2x+15 | | -54+57=o | | 12.24+1.54= | | -3/2n | | 5x+1=3x+2x+2 | | 1.36x+1.54= | | -5.4n+5.6n=.34 | | 26=3s-4(25-s) | | 4x-2+4x-2=180 | | 2x+5x^2-34x^7=6 |