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)
(-4/5)*(x-6) = 8 // - 8
(-4/5)*(x-6)-8 = 0
-4/5*(x-6)-8 = 0
-4/5*(x-6)-8 = 0
-4/5*x-16/5 = 0
-4/5*x-16/5 = 0
-4/5*x-16/5 = 0 // + 16/5
-4/5*x = 16/5 // : -4/5
x = 16/5/(-4/5)
x = -4
x = -4
| 4y-10=26 | | N*2-N-90=0e | | 1/2(x-6.5)=3.16 | | (dy/dx)=xy | | 3w+4-w=5w-2(w-4) | | 4.8(x+3.7)=67.2 | | 4u+17=73 | | u-5.35=9.88 | | 9x^2-21x+28=0 | | 2-2x=-20 | | -5x-8y=-4 | | (AX+B)C=D | | 8x+(15-5x)-x=39 | | 3x+7y+2z=5 | | f(x)=3(-x)+4 | | (3x/5y)(y^2/6x) | | 10x-10=5x | | 13-b/6=2-0.5b/b | | 30=-180+30x | | 7x^2+2x=37-32x | | f(x)=3(x+9)+4 | | 84=.9 | | 26=2x-8 | | X-84=0.1 | | X-84=93 | | X-(0.1)=84 | | 6.4u=4 | | 0.1-X=84 | | w-7.7=5.63 | | 3(4y+7a)-5(y-12a)= | | X-0.1=84 | | 5(c-4)c=9 |