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)
3/x = 7/x-2 // - 7/x-2
3/x-(7/x)+2 = 0
3/x-7*x^-1+2 = 0
-4*x^-1 = -2 // : -4
x^-1 = 1/2
-1 < 0
1/(x^1) = 1/2 // * x^1
1 = 1/2*x^1 // : 1/2
2 = x^1
x = 2
x = 2
| 1/2x-4=13/5-3/4x | | 5*x+3=15 | | 2x-4.8=7 | | 16-(3x+4)=38 | | 5(x-5)=8 | | 5+13x+3x^2=0 | | X^2-2x-24=o | | 12(3x+4)-6(2x-5)=4x-22 | | -37x+12=6 | | 5x(x+3)+5=2x(x+1) | | -16x^2+96x+640=0 | | 3b(7b+6)=0 | | 6x-5=21x+5 | | x/2-2=15 | | Y=x^2+10x-9 | | 3(5)-8=2(5)-3 | | 17/100+x=1/4 | | x+4/3x=49 | | Y=x^2-18x+13 | | 5x+5-4x=8+2x-7 | | ((x+3)/(4))-((x-4)/(2))=(3/8) | | -12-10=x | | -9t-37=8 | | 3(m+5)-6=5(m-2)-7 | | 10x+5-1=44 | | .3x-3=.1(x+30) | | 5-((3a-4)/(5))=((7-2a)/(2)) | | x^2+8x+29=0 | | x+2/3=y-1/2 | | 1/7f-11/2=9/14 | | 3x^2-1=95 | | -5+9=x |