If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
3/13 = u/11 // - u/11
3/13-(u/11) = 0
3/13-1/11*u = 0 // - 3/13
-1/11*u = -3/13 // : -1/11
u = -3/13/(-1/11)
u = 33/13
u = 33/13
| 6x-6x= | | 3x^3-12x^2+2x-8=0 | | 9x^2-x+7=0 | | 4/v-5=-3 | | a-(-2)=7 | | 2(x+3)-4=-6 | | 2x^2-8x^4=0 | | 6x+12=9x-4 | | 5x+2=3x+123 | | x=x-45 | | 3x+17=5x-28 | | D/7=14 | | 2.2y=y+5.65+0.2 | | n*7=49 | | c-8=5 | | 1/4x+3=2x-4 | | 4X-(8)=8Y-12 | | g-(-1)=9 | | k/2-4=18 | | 1/6a=6 | | k/z-4=18 | | 3x-11+4x-5+90=180 | | M-14/9=27 | | 2x+3=0.5x | | -9x+4y=5 | | -4=-6/x | | (9y-4)-(2y-6)=12 | | 5(x-7)+4x=1 | | 3x+17+5x-23=180 | | 1/2g=12 | | 1/2+(2/3/3/4)-(4/5*5/6) | | 5=2x+2 |