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)
(1/4)*(8-x) = 8-(x/4) // - 8-(x/4)
(1/4)*(8-x)+x/4-8 = 0
1/4*(8-x)+x/4-8 = 0
(1/4*4*(8-x))/4+x/4+(-8*4)/4 = 0
1/4*4*(8-x)+x-8*4 = 0
8-32 = 0
-24 = 0
-24/4 = 0
-24/4 = 0 // * 4
-24 = 0
x belongs to the empty set
| ln(x)+ln(x+1)=ln(12) | | 5-6r=7 | | X+(x+5)=49 | | 5(x-4)=5x-9 | | 13x^2-28x+13=-3+3x^2 | | (X-2)/4=2x/5 | | f(x)=-28x^2+7x | | 9y+4=8y-4 | | 2x-2=.5x^2 | | 7(-4n+3)+2=-7n-40 | | 5(3x-2)-(4y+3)=-59 | | 2/3-1/5x | | (8x^2-5x^3)-(2x^2-7x^3)= | | 25Y^2-2Y^4-108=0 | | 2y=4.22 | | 67=5/9(f-32) | | 3/(21^-1) | | 10x^2+70x+10=0 | | z[4(z+2)-5(z-1)]=3(z-1)(z+2) | | 0=x^2-11x-11 | | 2(w-5)=w+2-3(-5w-2) | | -27=-3s | | sin(x)=0.03 | | (5x-2)(x-6)=0 | | 6x-6(6)=6 | | 2(w+9)=-2(6w-2)+2w | | 2x^2-472=0 | | 3xcubed+24xsquared=-45x | | 10x+2=2+9 | | 2f-5=0 | | 7(4+5n)=-10-3n | | 10-22k=-10k^2+7k |