If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(7/8)*(-x-8) = 1 // - 1
(7/8)*(-x-8)-1 = 0
7/8*(-x-8)-1 = 0
7/8*(-x-8)-1 = 0
-7/8*x-8 = 0
-7/8*x-8 = 0
-7/8*x-8 = 0 // + 8
-7/8*x = 8 // : -7/8
x = 8/(-7/8)
x = -64/7
x = -64/7
| 5x+4/3x=x+10 | | 5*x-12+5*x+2*x=240 | | -15x-64=7x+6+13x | | 6x-45=x | | -x+87=-7x+9 | | 6.2-x=10.3 | | -62-60+122=0 | | (-9x+7)(8x-1)= | | X^2+(a-1)x+3a=0 | | -62-60=-122 | | 20r^2-31r-345=0 | | 58=2+8x | | 4x^2+7x=3x-4 | | -62-60= | | 7y+3(y-8)=6(y+1)-3 | | -4+4-3= | | X-3.5=9.4 | | -7x-1=20 | | 2x+6=5-(5x-7) | | 10w+6(w+8)=64 | | x+6x/5=55 | | 5(x-1)+2=-8 | | 12/m-2 | | m^2-8m/m-2 | | 4x-6=8+9x | | 3x-(x+5)=2x-5 | | -4y-7=9y+19 | | 11x-1=4x+3 | | 5(x+3)=3(2x+6) | | 6x+6=-6+3x+18 | | 4x(3-6x)=90 | | -7-2+21= |