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)
11/22 = x/13 // - x/13
11/22-(x/13) = 0
1/2-1/13*x = 0 // - 1/2
-1/13*x = -1/2 // : -1/13
x = -1/2/(-1/13)
x = 13/2
x = 13/2
| 6xy+7x=7y+1 | | 1-z=2z | | -3-24=m-12 | | (t-5)210=41790 | | 24x-18=30+12x | | X+5+y=9 | | 23x+2y=-11 | | 11x+40=27 | | e^21nx= | | d=b^2-100 | | 6x-27=-33 | | x^10/x^4 | | 4-2xn=6 | | 7x^4y^2/10n^5/14x^2y/5mn^2 | | 7+2(m-4)= | | 4x-6y-9=0 | | K/8=-12 | | (x^2-25)*(x^2+25)= | | 3z^2+5z^3=0 | | 4a+4=4a | | 40x+15y=1500 | | 2x-11y/8x-7x-7y/8x | | M-21=-16 | | 5/6(2x-3) | | 3x(x-10)=2x | | 63-x=52 | | 3x-4+4=7+4 | | F(-5)=x^2-8x+4 | | x-54=8 | | 7x/6-8x | | -2x+6=3x+21 | | (12x^2)-x-6=0 |