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 = 14/45 // - 14/45
3/x-(14/45) = 0
3/x-14/45 = 0
3*x^-1 = 14/45 // : 3
x^-1 = 14/135
-1 < 0
1/(x^1) = 14/135 // * x^1
1 = 14/135*x^1 // : 14/135
135/14 = x^1
x = 135/14
x = 135/14
| 12.2x+5=65.8 | | -8(6x+9)= | | 2u^2-5u+16=0 | | (x+2)(x+2)+(x-2)(x-2)=40 | | -2x+4(-2x-7)=-32-6x | | 4/20-12/20-22/20 | | a+3a+5b+6b= | | v/6=u | | 125=5y | | X^2+5y=-7 | | (5x+6)= | | 98=2y | | 0=-16t^2+307 | | X/8-8=9 | | 27x+1=15x+72x+7 | | 9x+11=x | | 7v^2-42v-40=9 | | 9w^2+9w-40=0 | | 4t+4=6(12-5t) | | (5)=3x+2 | | x+13+x+3x-12=986 | | w-1322=16 | | 13=19-5x | | w-132=16 | | 1x+13x+3x-12=986 | | -21=-3/5y | | 16x+61=5 | | X+13x+3x-12=986 | | -15/7=5x | | 8x-x=3-66 | | -9+4x^2=0 | | 15x+21=16x+31 |