If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
(1/2)*a-(1/2) = (1/4)*a-1 // - (1/4)*a-1
(1/2)*a-((1/4)*a)-(1/2)+1 = 0
(1/2)*a+(-1/4)*a-1/2+1 = 0
1/4*a+1/2 = 0 // - 1/2
1/4*a = -1/2 // : 1/4
a = -1/2/1/4
a = -2
a = -2
| 0=-x^2+8x+128 | | X=3/7 | | y-8/2=7 | | 24=6u | | 7,2-1,8/3x4 | | 5x-2(x-7)=2 | | x^3+2x^2-3x-8=x^2+1 | | a^2-7a=30 | | (4+8i)+(9-7i)= | | 6n-15n^2=0 | | 11x+1=34 | | X+26=7x+56 | | 2(6x-1)+4(2-x)=30 | | 6(u-3)=9u-21 | | (x-24/x)^2-3(x-24/x)-10 | | y=(1/7)ln(cos^2(3x)) | | D-4d+6=36 | | -15/25 | | c/t-d/t=1 | | 3(x+4)=7(x-3) | | -z=8/5 | | 5.1x-2=4.1x | | -2(4-3y)=2y+16 | | -2(4x-3y)=2y+16 | | 19-3=-7w-6w+5w | | -2(4x-3)=2y+16 | | 1/4x-1/3x=1/2-1 | | -2(6x-1)+4(2-x)=30 | | 4x-9+x=8+2x+13 | | 7y-7y+5y=3+6 | | -7x^2=2x | | -3/7w=-9 |