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)
((8/9)*x^6)/7-(1/7) = 0
((8/9)*x^6)/7-1/7 = 0
8/63*x^6 = 1/7 // : 8/63
x^6 = 9/8
x^6 = 9/8 // ^ 1/6
abs(x) = (9/8)^(1/6)
x = (9/8)^(1/6) or x = -(9/8)^(1/6)
x in { (9/8)^(1/6), -(9/8)^(1/6) }
| 4x-2x=-20-8 | | -9x-16-5=23 | | 8/y | | 0.3a+0.7(20-a)=10.4 | | 19.20+s=30+.5s | | 4/y | | 5x-2(x+1)=1fourth | | (-14)+t=26 | | 15x+(15x+5(83-6x))=415 | | 12+2n=4 | | 4y+w=9 | | Y=(x^3)+x-1 | | 3×7/9 | | A-2=3+6a | | 2-5/6z=-8 | | 1=-4+x-7 | | 5x-(10x-12)= | | V=1/3*3.14rsquaredh | | (5x-4)(2x-3)=17 | | -3x-7x=8+6-8x-4 | | 5Y-17=58 | | 4x+2+x=-2+2x | | 22-x=37+6 | | 2/3-6y=-1.3 | | 4s-5=1+2s | | 12+y=-2 | | 26x2/3 | | -7s=-9s | | 0.61m-1.51m=9 | | y=ln[tan^2(1-x)] | | 7x-4=-12+6x | | (5x-4)+(2x-3)=0 |