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-7 = 0
x-7 = 0
x-7 = 0
x-7 = 0 // + 7
x = 7
x in (-oo:7) U (7:+oo)
(2*x-9)/(x-7)+x/2 = 5/(x-7) // - 5/(x-7)
(2*x-9)/(x-7)-(5/(x-7))+x/2 = 0
(2*x-9)/(x-7)-5*(x-7)^-1+x/2 = 0
(2*x-9)/(x-7)-5/(x-7)+x/2 = 0
(2*(2*x-9))/(2*(x-7))+(-5*2)/(2*(x-7))+(x*(x-7))/(2*(x-7)) = 0
2*(2*x-9)+x*(x-7)-5*2 = 0
x^2+4*x-7*x-28 = 0
x^2-3*x-28 = 0
x^2-3*x-28 = 0
x^2-3*x-28 = 0
DELTA = (-3)^2-(-28*1*4)
DELTA = 121
DELTA > 0
x = (121^(1/2)+3)/(1*2) or x = (3-121^(1/2))/(1*2)
x = 7 or x = -4
(x+4)*(x-7) = 0
((x+4)*(x-7))/(2*(x-7)) = 0
((x+4)*(x-7))/(2*(x-7)) = 0 // * 2*(x-7)
(x+4)*(x-7) = 0
( x+4 )
x+4 = 0 // - 4
x = -4
( x-7 )
x-7 = 0 // + 7
x = 7
x in { 7}
x = -4
| x^2+5-104=o | | 7w=-28 | | 2x+5y-2=1-2 | | 0.33(m-8)=4 | | 21454+567632157/8*6464 | | 6x+24=2x+16 | | 2(2y+9)=27 | | 7(x-2)+4(x+1)= | | 9-y+1=31 | | 1+6+2=10 | | 1+6+2=10 | | 5x-5=-3(x-1) | | 4+5=17-x | | 450x+360y=4950 | | 3x-10+12=-2x+21 | | 2x^2+5=x^2+14 | | a14/a6 | | -8/c=2 | | 24-15v=8 | | 1.25*x-9=13/4 | | 8p-24/2p-6 | | 2x+7=4-x | | 7k=9 | | 20-x/15=31 | | 6x^2-48=.12x | | 6t+8=2 | | 6t+8=29 | | -1-x=5-x | | .025*x+4=1.2415 | | x^3-x^2-5x-75=0 | | 5x-11=-2x+10 | | 5y+2/7=6y+1/7 |