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-2 = 0
x+7 = 0
x+7 = 0
x+7 = 0 // - 7
x = -7
x-2 = 0
x-2 = 0
x-2 = 0 // + 2
x = 2
x in (-oo:-7) U (-7:2) U (2:+oo)
5/(x-2) = (37/(x-2))*(x+7)-3/(x+7) // - (37/(x-2))*(x+7)-3/(x+7)
5/(x-2)-(-3/(x+7))-((37/(x-2))*(x+7)) = 0
5/(x-2)+3*(x+7)^-1-37*(x-2)^-1*(x+7) = 0
5/(x-2)+3/(x+7)+(-37*(x+7))/(x-2) = 0
(5*(x+7))/((x-2)*(x+7))+(3*(x-2))/((x-2)*(x+7))+(-37*(x+7)^2)/((x-2)*(x+7)) = 0
5*(x+7)+3*(x-2)-37*(x+7)^2 = 0
8*x-37*x^2-518*x-1813+29 = 0
-37*x^2-510*x-1784 = 0
-37*x^2-510*x-1784 = 0
-1*(37*x^2+510*x+1784) = 0
37*x^2+510*x+1784 = 0
DELTA = 510^2-(4*37*1784)
DELTA = -3932
DELTA < 0
-1 = 0
-1/((x-2)*(x+7)) = 0
-1/((x-2)*(x+7)) = 0 // * (x-2)*(x+7)
-1 = 0
x belongs to the empty set
| 94+6a=-3a | | .2n-.333=2.666 | | 9(9x-8)=495 | | s=9/p+5/r | | y=-3/10*1-3 | | -3/11=(5-h)/(h+1.4) | | 2+(3+4)= | | 1/5-1/3=8/3 | | 10a+5a(a-3)=15 | | 16x+3=5(3x-1)+8 | | x+40x=46 | | -2x+18+4x-12-6= | | 11/15=a/30 | | 7y-4=3y+6 | | 384=8(9x-15) | | 2(4x-5)-5=10x-4 | | 3(3m+5)=m-1 | | (p^2)^5/2/(p^-1/2)^3 | | p=c+2+a | | 16h-32-7h=-3(6-2h)+1 | | (-2)-((-3)-((-10)-(10)))= | | 3c-4c+1=2+3 | | 6-(7x+2)= | | 5/(x-2)=(-3/(x+7))+37/(x-2)(x+7) | | 5x+4=9(x-3)+23 | | 11k+6.5=k+13 | | 3/7=24/h | | h=a/6 | | 10(9x+2)=470 | | 3(5s+5)-6s=3(3s+5)-16 | | -7x+4-11-7x+7+2x+12x= | | 33+5w=3w-w+4w |