If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( X )
4*X-4 = 0
4*X-4 = 0
4*X-4 = 0
4*X-4 = 0 // + 4
4*X = 4 // : 4
X = 4/4
X = 1
X in (-oo:1) U (1:+oo)
(7*X-7)/(4*X-4) = 0
7*X-7 = 0 // + 7
7*X = 7 // : 7
X = 7/7
X = 1
X in { 1}
X belongs to the empty set
| 28-31x=92 | | 2x-3+3x+5=180 | | 3c+-2=-20 | | X/16=8/16 | | -(2/w+5)=-3 | | -3(5x-1)-2(1+3x)=1-6x-4x | | -6a(7)+6a(6)-2a(5)= | | -8-4y=-64 | | x=-4ln(x) | | 4y-7=-16+3y | | (x^2)+18x=-15 | | 33x^2/9x | | 119x^2/21x | | 9n-15=-15+n | | xy+7x+5y+35=0 | | 4x+11=12x-2 | | 5s+5(s-1.5)=24 | | 2a^2-7ab+3b^2= | | 6k+7=12k | | a^2-4b^2=Factors | | 8x-3=14x-9 | | e^6x=6 | | (14/(x-3))=8/x) | | ab^2+a^2b=0 | | 2x-1=97-6x | | 4w^2+10w+5=3w^2+18w-10 | | 20x^5+24x^3= | | 4x+4k=r | | 8.2=-4 | | .5p+8=.75p+18 | | 4x+4g=a | | x=4g+4b |