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)
(c-(3*d))/4 = d/2 // - d/2
(c-(3*d))/4-(d/2) = 0
(c-3*d)/4-(d/2) = 0
(c-3*d)/4-d/2 = 0
(2*(c-3*d))/(2*4)+(4*(-d))/(2*4) = 0
2*(c-3*d)+4*(-d) = 0
2*c-10*d = 0
(2*c-10*d)/(2*4) = 0
(2*c-10*d)/(2*4) = 0 // * 2*4
2*c-10*d = 0
x belongs to the empty set
| 7y+5=5y+7 | | 6-3k=27 | | 1/2n^2-1/2n-406=0 | | x+3-7x=-15 | | 4b+7=12+2b | | 2v^2+5v-5=0 | | .25q+0.1(4+q)+0.05*2+2(4-q)=6.3 | | 4x+3=(-9) | | 10y^2=-10x^2+14x-4 | | 9/4=n/8 | | 1+3x=4x+7 | | 4x^2+y+9z^2=0 | | tan(x)=tan(8x) | | Cosx(5sinx-1)=0 | | 2x^2+5=6x | | -5(1-8x)=-285 | | [3s-15]=0 | | 3m(0)5m=0 | | x-(4x-7)=5x(x+21) | | 5e+10=2e+4 | | 5x-4=4x-29 | | 18X=504 | | 44+48= | | 3u^2-6=0 | | y-7b+5(7-7b)=-133 | | 5x-1=(-26) | | 4+5sinx=0 | | -s^2+5s-4=0 | | 3(4x+6)=21 | | (9000-X)/16000*(0) | | -8(3x+2)=2x-5-20x-7 | | 4(2x-3)=7+5 |