If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x-6 = 0
x-6 = 0
x-6 = 0
x-6 = 0 // + 6
x = 6
x in (-oo:6) U (6:+oo)
(0.5*x-3)/(x-6) = 0
0.5*x-3 = 0 // + 3
0.5*x = 3 // : 0.5
x = 3/0.5
x = 6
x in { 6}
x belongs to the empty set
| T=3.14/4 | | 10=2s+6 | | 6u+1=-7 | | 1/5(x-13)=4 | | C+3=17 | | 10x+24=88 | | 2x-(3+x)=30 | | (X-6)/5x^2 | | 10u=3u+7u | | 2x-45+x+40=180 | | 7/12=5/8m | | 5(x+4)-2x=7x-(-2x+11) | | 1-x-12x^2=0 | | x^2+7+43+2x^2+4=360 | | -5x+9y=-16 | | X^3x-10=0 | | 16x^2-50x=21 | | x^2+7+43+2x^2+4=180 | | 4=1-5b | | a/x-b/y= | | 9/-6 | | 7x+3(5x-2)=38 | | 3(x+4)-5x= | | ay-bx/xy= | | -5t^2+100t=450 | | 0.25x^3+21=37 | | 0.56x-0.98x+0.734=0.43x | | X+(x+3)+2(x+3)=53 | | 9(x+6)=5x+46 | | X+X+3+2(3+x)=53 | | 8x-2y=-11 | | 2cox=-3 |