If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
1 = a-(13/(-6)) // - a-(13/(-6))
13/(-6)-a+1 = 0
-a-7/6 = 0 // + 7/6
-a = 7/6 // * -1
a = -7/6
a = -7/6
| C-10.25=-1.75m | | 1/4×9 | | 75+b-19=3260 | | 4x+5-2x-1=12 | | 21x+9+8x-3=180 | | (x+(1+i))(x-(1-i))(x-2)=0 | | 7-3x=23-x | | 19=-3+7p+1-4p | | -36=-2y | | (6-3i)-(5+4i)=0 | | 35x^2=25 | | cos(x)sin(x)=-0.25 | | log(x)+log(2x+3)=2 | | 12-8+4= | | 3(x-21)=60 | | .125y-65=0 | | 9x+18=5(x+7)+15 | | 8=8p+1.3-3p | | 60.54-45.8= | | 656=16t^2 | | x^2+y^2=4xy-8 | | 4a-5b+6a-7b= | | N+9n= | | -3(b+17)=-93 | | 7y=-2x+0 | | 2/5t==12/25 | | 3n-4+n=22 | | 24+2x=32+(2x-4) | | 5x+11=3x-19 | | -7+12=9 | | 8-5/x=23/x | | Y=50(150) |