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2*x^2-1 >= 0;x
x
5*x^2-1*x^3-(3*x)-9 = 0;x
x
620;7
1*x^4-(32*x)+0*x^3+0*x^2+48 = 0;x
x
3;8
| 5x^2+8xy+5y^2=1 | | 200+0.15x=308 | | 5(-12-3)=-24+12 | | 7n+13=48 | | 6d+3w+8d+7w= | | 45+12x=30+15x | | 10a-4b= | | -2y^2+20y-x-53=0 | | -2=C+1 | | 3/10x(-4/5) | | 9x-14=8x+2 | | 3-4x+x= | | -7=W-3-9 | | 7.53=-log(x) | | -4+3x=20x+12 | | 7.53=-logx | | 5x+15=9x+18 | | 5n-17=28 | | -7=-9+Z-2 | | -3x-4=5x+2 | | -4q+9=20 | | -94=13x | | 6(t)=-16t^2+46t+6 | | 93=-13x | | 4=4i+8 | | 3:27=4/3:x | | h=45+22*6 | | h=45+22t | | h=46+6t-1+16t | | -2(-6+7n)+5=145 | | a^2-36=5a | | 16+t=3t |