If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x*((3*x^2)/9) = 27
L/3-19 = -26
0.75;2.54
1.5;2.54
s/51 = -459
| 20=16t^2-88t+14 | | -x-3=-13 | | 3y-4y=27-33 | | 5x-15=065 | | 169+x^2=144 | | 8+-12=x | | h=-16t^2+88t-14 | | -15d=-60 | | 3x^2/9x=27 | | L/3-19=-26 | | 10.1+d=6.2 | | -10+36p^2=15 | | tan36=7/x | | x^2=134 | | 5(3x+4y)= | | s/51=-459 | | 5/8*h=160 | | 2(3a+2b)= | | -5(2w-8)+3w=7(w+4) | | f(x)=-0.4x^3-0.5x^2+3x-6 | | 0.6(n-5)=0.4-0.2(n-7) | | k+1=16k-48 | | 4x^2-4y+z^2=0 | | 3x^2-4x-253=0 | | 49b^2=1 | | 16*24x=160 | | y^2=-x^2-8 | | (3x+5)-(2x-6)=11 | | 20x^2+7x=3 | | 5n+2=8+3n | | X/3=1/12x | | 5n+2n=8+3n |