If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k in (-oo:+oo)
(1/4)*k = 2*k // - 2*k
(1/4)*k-(2*k) = 0
(1/4)*k-2*k = 0
-7/4*k = 0 // : -7/4
k = 0
k = 0
| ax+45=9(x-b) | | -5(z-4)=2-4z | | 2(4x+6)=-37+17 | | Yx=zx+z | | 13y-7x+17=0 | | 17x^2-7x+18=2 | | 13-7x+17y=0 | | 0.1x-.02=x+.7 | | 13x-7y+17=0 | | 2(2z+2)-8=28 | | 13y-7+17x=0 | | 7(z+4)-2(z-3)=2(z-3)+2(z-4) | | 151=34+0.30x | | 4(3)-2^3-4(-2)/2^2-5=1 | | 33=-3(21-x)+3(x-4) | | 5(3x-8)=8x-6+7x-10 | | 151=34+3x | | 2/3•a | | 2n+4=10n-10 | | 6-4x=16-19x | | y=5-2.32x | | 4x+6x+21=4x+27 | | 18=7/9x-13 | | f(x)=1/2(x^2-3) | | 9+11=47 | | 4/5+1/2x=3/5 | | 2/3+1/2x=1/3 | | Cos(8x)+cos(2x)+cos(3x)+cos(4x)=0 | | 3/4+1/3x=2/4 | | 2n-1forn=13 | | 3x-3=3(x-2) | | 0.14(y-2)+0.18y=0.16y-1.8 |