If it's not what You are looking for type in the equation solver your own equation and let us solve it.
C in (-oo:+oo)
C/9 = 9 // - 9
C/9-9 = 0
1/9*C-9 = 0 // + 9
1/9*C = 9 // : 1/9
C = 9/1/9
C = 81
C = 81
| 16f=80 | | M-16i=3-2i | | 5+2(x+3)=21 | | 15l=75 | | 6(2x+3)=4x+28 | | x(-24)=3 | | X-1=x^2+2X-3 | | 30.6n=244.8 | | 8a-2a=12 | | 128=-8b | | 0.3a+0.1b=0.5 | | 5(r+2.7)-10r=17.4 | | 0.5-0.3a= | | 10=x/5 | | 4-2b=8-(4b+7) | | 0.92y+2.22-0.02y=7.62 | | -3.6-1.4p=5p-(5p+3) | | 6-7(a+1)=-3 | | 3z+1.5z=98 | | 14+n=1 | | 1/2=14/28 | | 2x-2+45=x | | 3X-26-2x=180 | | (4w+7)(8+w)=0 | | k/11=-16 | | 4x+9+4x=30 | | x=(28.65)^1/4 | | x-2x+2+4x=12+x | | 7d-2d-3d+5=2d | | 12(x-3)=6(2x-3) | | 182/28=13/28 | | c^2+11c=-28 |