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 = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
1/x-3 = 5/x+9 // - 5/x+9
1/x-(5/x)-9-3 = 0
1/x-5*x^-1-9-3 = 0
-4*x^-1 = 12 // : -4
x^-1 = -3
-1 < 0
1/(x^1) = -3 // * x^1
1 = -3*x^1 // : -3
-1/3 = x^1
x = -1/3
x = -1/3
| -(n-7)=-8-7(n-3) | | 9x/7+6=6 | | 5x^2=-13+16x | | x/3+5=6-2x/3 | | 10y-4-6y+4= | | (7x+28)/5x | | -36+4(-3-7b)=-6(2+b)-2b | | -4z(z^2-8z+9)=0 | | 24(x-6)=-5.6x+8 | | -7n=6n-10n+2n-35 | | 4b-5-7b-4= | | 6x+16= | | 7.5x+5=5x+9 | | -2+6(9y+6)= | | -2(8x+4)=-8(3+2x)+x | | 7(-9x+10)=70-63x | | x-7=15+1 | | x+16=1-3x | | 2.5+15+0.5(x-4)=1.2+2(0.9-6) | | 8w+4.8=5w+9.9 | | 4x-86+11x=94 | | -5-3=-2+x | | .75x+5=.5x+9 | | 9=x+4+2 | | -3x-33+5x=23 | | 2(1-(-8x-9))=128x+146 | | (3-7/3+4/3)/(1/2-2-5/5)*3/8 | | -17x=g-204 | | 2+9(-7c+2)= | | 1+27/8 | | 3+4=5+x | | 4/9+8/9= |