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)
x^(2/3) = 1/8 // - 1/8
x^(2/3)-(1/8) = 0
x^(2/3)-1/8 = 0
1*x^(2/3) = 1/8 // : 1
x^(2/3) = 1/8
x^(2/3) = 1/8 // ^ 3
x^2 = 1/512 // ^ 1/2
abs(x) = (1/512)^(1/2)
x = (1/512)^(1/2) or x = -(1/512)^(1/2)
x in { (1/512)^(1/2), -(1/512)^(1/2) }
| X/3=(30-x)/3 | | 6(3x+1)=4(2x-1) | | 4r-1/3=2-r | | 6(14-7x)=3(-2+x) | | 7(x+15)=3(x-9) | | 147.6=1/2m32 | | 18(t-4)+3t=7(3t+2)-13 | | x+9=18+-2x-x | | ×*2/4=9 | | 16x^2+9y^2+32x-128=0 | | 25x^2-16y^2=1600 | | 234567-654= | | 5x+16=9x-4 | | 3m-(5)=7 | | 3m-(5)= | | 65x-x^2-1000=0 | | 7(d-2)=3(4-2d) | | 5(b+3)=4(b+7) | | 10x+14=360 | | log[3](x+2)+log[3](x-6)=2 | | 10(t-5)+4t=7(2t+5)-9 | | 330d-2d(11)=7d-50 | | 7k-3=3k+5 | | log[5](5)+log[5](x-3)=2 | | 12g(32)=3g-4 | | 8p=12p-18 | | 3m+21=4m-8 | | 8f=5f-9 | | 4x+6=0.5x+30.5 | | 4(3x+8)=3(x+10)-3 | | X+8=62 | | 4(x-5)+2(x+3)=28 |