If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
-13.9 = u/8-1.1 // - u/8-1.1
1.1-(u/8)-13.9 = 0
-1/8*u-12.8 = 0 // + 12.8
-1/8*u = 12.8 // : -1/8
u = 12.8/(-1/8)
u = -102.4
u = -102.4
| 3(X-6)=5(X-1) | | Y=-5/3x-7 | | =6[463(17)45]+6+6 | | 9a+1=-3a+13 | | =13.5 | | 80x+40(1.5x)=1500 | | -3m^2-15m=0 | | 3x=100+x | | 5+13=x | | 4*2x=64*x-3 | | 5x+3.5+6x=26.5 | | Tan45=50/x | | 13x+3=8x | | x*x-x=9 | | 6x+2x-3x-1=0 | | 13x+3x=8x | | 1.5c+5c=130 | | -7d+12=123 | | x*2-x=9 | | 12w-13w=26 | | 10=65 | | 4cos(x)=1 | | -8r-6=-4-7r+3r | | 16x^4-16x^2+4=0 | | x=10x-24 | | x^2+x+mx-1=0 | | 3*4x-2=27x | | M^2+9m+c=0 | | 4(-5x+3)=-108 | | 13x+3+8=72 | | -11+15ln(6x)=45 | | 8+7x=x-10 |