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)
-8 = c/10 // - c/10
-(c/10)-8 = 0
-1/10*c-8 = 0 // + 8
-1/10*c = 8 // : -1/10
c = 8/(-1/10)
c = -80
c = -80
| 4+x/7 | | 2x=4x-11 | | 8+10s=98 | | -8k=-24 | | v^2-10=47 | | W+16.7=8.27 | | Z/32+5/8=13/16 | | c=5(50-32)/9 | | 7-6x^2=-209 | | u/6=9 | | -18x=54 | | 10a^2-7a-26=0 | | -3x+14=-13 | | -9k^2=810 | | 12x+3xy-40= | | 525+.21x=585+.13x | | m^2+9=-17 | | (7x+4)^4/5 | | 3x+6=5x+9 | | 3n=38+n | | x/2-25=-7 | | r^2-9=-12 | | 5n^2+16n+15=2n^2+3 | | 0.444444444444444*x-8=0 | | a+9=127/9 | | Z/9+5=10 | | 4x-12=3x-9 | | -(2b+6)=4 | | 11x=9(x+2) | | 8x-10=5x-5 | | x^2-8=37 | | 96=2w-14 |