If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10/21=3x
We move all terms to the left:
10/21-(3x)=0
We multiply all the terms by the denominator
-3x*21+10=0
Wy multiply elements
-63x+10=0
We move all terms containing x to the left, all other terms to the right
-63x=-10
x=-10/-63
x=10/63
| 3q-3q+4q-2q-q=1 | | 8s-2s-2s=16 | | 9t-5t-2t=14 | | k2+1=6 | | 4d-11d+d+17d=-20 | | 16r-16r+2r-r=20 | | (x-6)(x=2) | | -5d+14d+-3d=-6 | | 10v−7v=12 | | 70=19/3x | | 6(4v+3)=72 | | 3w+4w+w-5w=15 | | 10t−2t=8 | | M-14m+19m+3m+-17m=16 | | j/4+55=64 | | j/4-–55=64 | | 2(s+11)=54 | | 450=x1000 | | 3g-28=23 | | 450=x10^3 | | 450=x100^3 | | 3g−28=23 | | g/7+16=20 | | 45x-120=6x | | t/2+20=25 | | 20x^2+29x–36=0 | | 1467=x=1653 | | 20x2+29x–36=0 | | 6+2u=16 | | J=3x-1 | | 7p+p+3p+p-6p=18 | | 7(3)^(x)=63 |