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)
-9 = a/(-23) // - a/(-23)
-(a/(-23))-9 = 0
1/23*a-9 = 0 // + 9
1/23*a = 9 // : 1/23
a = 9/1/23
a = 207
a = 207
| 4.666666667+.6666666667y=12+-2.5y | | 4.6w-3.6w-8.9=-3.4+0.4 | | 3m-6=5m+-m | | x+1.25y+1.25y=12 | | 6m-5=7m+6-m | | 3x+x+14=90 | | 73-25= | | 9x^2-12x-140=0 | | 5y-3=2y-5 | | 4/5+1 | | ((2^(-1/2))*(2^(5/2)))/(3^(1/3)) | | -4y+2=-2(4y+15) | | z/6+4z/5+6 | | ((z^(-1/2))*(z^(5/2)))/(z^(1/3)) | | z-4= | | 15/14k=1/10-10/7 | | 4+-4=-3 | | ((z^-1/2)*(z^5/2))/(z^1/3) | | 0=-8t^2-9t+105 | | x*2+x+12=180 | | 1/3x=x^2+5 | | 6x-66/5=5x+55/6 | | 18(8c-1)-12=142c+18 | | 4+10*-9=y | | 3y-2=2y+18 | | x/14=-38+14 | | -3y-5=7 | | x+8x=180 | | m-5m+9m+6= | | 4y+36=3y-2 | | 0=-16x^2-18x+210 | | 5n^2-12=0 |