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/13 = 11/15 // - 11/15
x/13-(11/15) = 0
x/13-11/15 = 0
1/13*x-11/15 = 0 // + 11/15
1/13*x = 11/15 // : 1/13
x = 11/15/1/13
x = 143/15
x = 143/15
| 8x-17+2x=23+5x | | 26+3x=52+17x | | 226(x+1)=28(x+1)-22 | | -38=5w-8 | | -10(2x+1)+2=292 | | 2y^2+12y-3=0 | | 174=32-u | | h(t)=-t^2+10t+11 | | 15q+30=-18 | | 2t+15=11 | | (4x)+4=80 | | -8(x+6)=2x-5x | | 4(5x+2)+10=18 | | 5(2x+11)+1=206 | | 69/3x=4 | | -n-7=-2 | | -10(-x+11)+4=44 | | -7(3x+12)+4=46 | | 10x-2(x+4)=3+8(x+7) | | 11u=81+2u | | y=(10/1)*(10x/40) | | (4x-2y)(4x+2y)=70 | | -44=-v/5 | | 5x-2=12-x | | 16x-36y=20 | | -9=-5+2w | | 3/(-4x-2)=-6 | | x-36=20 | | 12(1/4)=-3-3x | | 2x+35=10-61 | | -1/7(-7) | | -11w=-22 |