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/3 = 4/7 // - 4/7
X/3-(4/7) = 0
X/3-4/7 = 0
1/3*X-4/7 = 0 // + 4/7
1/3*X = 4/7 // : 1/3
X = 4/7/1/3
X = 12/7
X = 12/7
| 3/14=-11/21x | | 6x+31=16-59 | | 5x-32=3x-16 | | 29+7x=78 | | 63/294=-154/294x | | 63/294=-154/294 | | -3/4x=11/32 | | 2(4x+3)=3(5x-2) | | 7/11x=4/11 | | 1.6=x/1.5 | | 114-7x=51 | | 4+5+5x=40 | | 173-5x=6x+19 | | x+2=7-x | | 7d+8=3d+16 | | 2(x-2)=9.8 | | 7(a+4)=54.6 | | 13=8c-3 | | 3e-7=15.5 | | 6p=17.4 | | 4(x-7)=-20 | | 6(a+3)=30 | | 9=5c-6 | | 42x^2+x-56=0 | | 42x^2+x=56 | | 3x^2-ax-2a^2=0 | | X/2+1=2x/5-3/2 | | (64)4/3 | | 3+x=51+x | | 9y-5(2y-3)=1-2y | | -9x+2.2=-3x+0.7 | | -5x-3.7=7x+10.9 |