If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
6*x-6 = 0
6*x-6 = 0
6*x-6 = 0
6*x-6 = 0 // + 6
6*x = 6 // : 6
x = 6/6
x = 1
x in (-oo:1) U (1:+oo)
(16-(6*x)-15-12)/(6*x-6) = 5/18 // - 5/18
(16-(6*x)-15-12)/(6*x-6)-(5/18) = 0
(16-6*x-15-12)/(6*x-6)-5/18 = 0
(-6*x-11)/(6*x-6)-5/18 = 0
(18*(-6*x-11))/(18*(6*x-6))+(-5*(6*x-6))/(18*(6*x-6)) = 0
18*(-6*x-11)-5*(6*x-6) = 0
-138*x-168 = 0
(-138*x-168)/(18*(6*x-6)) = 0
(-138*x-168)/(18*(6*x-6)) = 0 // * 18*(6*x-6)
-138*x-168 = 0
-138*x-168 = 0 // + 168
-138*x = 168 // : -138
x = 168/(-138)
x = -28/23
x = -28/23
| (-11-6x)/(6x-6)=5/18 | | a+31=6 | | -30+17+9= | | c=0.5x^2+8x+11 | | (5x+7)(2x-14)=6 | | -8x-6=42 | | -11x+4x= | | 0.01/1500 | | cos(a)=0 | | 2y+3=y+3 | | 8x^2+34x+36=0 | | (14x^2y)/(3mn^3)/(7x^4y^3)/(6n^4) | | 2x^2+5x+b=0 | | 64x^3-125x= | | 9x(5x+4)= | | x+(x*.398)=35000 | | x+(x+.398)=35000 | | C=3.14rh | | (2x+9)=(4x-1) | | (x^2+3x-20)=(x^2-2x+60) | | 17x-18x-9=76-40 | | 25=1/2(h)(5) | | (4x-7)=(2x+3) | | 4(4)-y(5)=21 | | -(2x-4)-12=-6x | | 875^1/3 | | (7x-6y)(8x-7y)=0 | | y/.10=138 | | 4t+8=35 | | 6x-7y=15fory | | 5x+1=6y+4 | | 8456/22 |