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)
(11*x)/3-X = x/21-(3/7) // - x/21-(3/7)
(11*x)/3-X-(x/21)+3/7 = 0
76/21*x-X+3/7 = 0 // - 3/7-X
76/21*x = -(3/7-X) // : 76/21
x = (-(3/7-X))/76/21
x = 21/76*(X-3/7)
x = 21/76*(X-3/7)
| 2(x-1)-9=-6(-4x+3)-8x | | -9=-9+x | | 3x+7x=84 | | -3(5t-4)+5t=3t-5 | | (3x+29000000)/(x-500)=6.15 | | -4+4(4k-3)-6(2k+8)+7= | | 7n^2+12=-25n | | M/17=16/17 | | 17=t/3 | | 17=t*3 | | 4y-8=(12/q) | | 4x(2x-2)=128 | | 1/12(900.00+x)=80.00 | | k^2=-9+6k | | 12z-2/24z-4 | | 25XY-350=125 | | 1/12(900.00+x)=87.5 | | (1/r)+(1/q)=(1/g) | | y+5x=1 | | -x+8x=12 | | 8x-79x= | | (63x^20y^16)/(3x^9y^15) | | a^2-2=a | | (11+x)/(15+x)=0.8571 | | 4a^2+12a+6=0 | | 0.15(80)+0.7x=0.3(80+x) | | 4a+2b+a= | | v/13=2 | | (715)+(5/6) | | 2x-28=74 | | (2a+3)/7=(3a)/6 | | 4(k^2+9k+5)=0 |