If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(2/18)*x^243-15 = 12 // - 12
(2/18)*x^243-15-12 = 0
1/9*x^243 = 27 // : 1/9
x^243 = 243
x^243 = 243 // ^ 1/243
x = 243^(1/243)
x = 243^(1/243)
| 36=-0.2x+50 | | -2+-4v=-14 | | 2x+(x-3)+2=3x+5 | | (x-8)(3x-5)=0 | | 9-3k=-9 | | 5+(-6x)=29 | | 4x^2+8y^2=64 | | 75x-1=1 | | y-175=3 | | 3.14*720= | | -2(1-x)+8(x-8)=8x+4+7-5x | | 14=6-4c | | f(x)=7/x2-16 | | x+3x-1=128 | | 0=x^2+15x-28 | | 16q^8-25r^2=0 | | 8=-3w+4 | | 8=3W+4 | | 28n-63=-26+6n | | 5(k+3)-3k+7=0 | | -6(-4p+1)+6(4-p)=6p+3p | | 17x+5=10x+2x-10 | | 10y+5x=900 | | x^2-10x+430=0 | | 56x-685=57x | | f(x)=3x^2-4x-5 | | -8(5+4x)=120 | | y=8.333x+150 | | f(x)=5x^2+6x^3 | | 42=n | | 3t=150 | | 10x+3=180 |