If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3/7x^21/4=x
We move all terms to the left:
3/7x^21/4-(x)=0
We do not support expression: x^21
| 6(n-9)=27 | | 1/2.2/x=1/2 | | w=1/5;38-15w= | | X+2x+X-3=33 | | x+2x+3-x=33 | | 4(4x-8)=8-(12-9x) | | -4s+2(s+1)=25 | | 3y+3+8y+6=108 | | 5/6x-3/8x=7/12 | | 98x+2x=500 | | m=2;16/2m= | | 3y+3+8y+6=1108 | | 2/3n 6 = 22 | | 3n(-n+3)=0 | | 9x-30=12x+3 | | -3(3x-6)+9=-9x+27 | | 10=5/2y | | -3n(n+3)=0 | | 1.8+0.6x=0.9x-5.4 | | Y=-4/5x-10 | | x=9;8x+3 | | 4y+3y+9=114 | | 3a+5a=8a-a= | | 2x+9/2=13 | | 2(2x–4)+x=7 | | 9n-3n^2=0 | | 3(4x-1)+2=7x-11. | | -t-18+5+6t=-88 | | 4y+3y+11=180 | | x=3;169-2x4 | | 7a/7=49 | | 1/4(8x-4^2)=0 |