If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( w )
4*w+16 = 0
w+4 = 0
4*w+16 = 0
4*w+16 = 0
4*w+16 = 0 // - 16
4*w = -16 // : 4
w = -16/4
w = -4
w+4 = 0
w+4 = 0
w+4 = 0 // - 4
w = -4
w in (-oo:-4) U (-4:+oo)
2-7/(4*w+16) = -6/(w+4) // + -6/(w+4)
2-7/(4*w+16)-(-6/(w+4)) = 0
6*(w+4)^-1-7/(4*w+16)+2 = 0
6/(w+4)-7/(4*w+16)+2 = 0
(-7*(w+4))/((4*w+16)*(w+4))+(6*(4*w+16))/((4*w+16)*(w+4))+(2*(4*w+16)*(w+4))/((4*w+16)*(w+4)) = 0
6*(4*w+16)-7*(w+4)+2*(4*w+16)*(w+4) = 0
8*w^2+17*w+64*w+68+128 = 0
8*w^2+81*w+196 = 0
8*w^2+81*w+196 = 0
8*w^2+81*w+196 = 0
DELTA = 81^2-(4*8*196)
DELTA = 289
DELTA > 0
w = (289^(1/2)-81)/(2*8) or w = (-289^(1/2)-81)/(2*8)
w = -4 or w = -49/8
(w+49/8)*(w+4) = 0
((w+49/8)*(w+4))/((4*w+16)*(w+4)) = 0
((w+49/8)*(w+4))/((4*w+16)*(w+4)) = 0 // * (4*w+16)*(w+4)
(w+49/8)*(w+4) = 0
( w+4 )
w+4 = 0 // - 4
w = -4
( w+49/8 )
w+49/8 = 0 // - 49/8
w = -49/8
w in { -4}
w = -49/8
| -7(-2r-10)+1=41+9r | | (12x+6)/(x^2+7x+12) | | 17x-17=32 | | -10(v-7)=8(-4v+6) | | x-.9x=76 | | 12-2y=8y | | 5x(x+3(x^2-3))+1=0 | | 3(x+7)=3+3x | | 6x+2a+3b+c/6x+2a-3b-c=2x+6a+b+3c/2x+6a-b-3c | | 4(1-5n)=-3(7n+5) | | (-5/(x-6))=(7/(4x-24))+2 | | 2x+40=5(x+8)-3x | | -5/x-6=(7/4x-24)+2 | | 6(x-9)=3(-10-2x) | | (x-2)(1/x+1/2) | | 4(a-8)+2(3a-9)=7a-7a | | x^2(x+3)+2(x+3)= | | 2(x+8)=28 | | 3x+21=180 | | 5(x-1)=1 | | 7(x-7)=28 | | x^2+37-9x=25 | | 3(x+2)=x+38 | | 6x^4-10x^3+3x^2= | | 4(x-5)=-6 | | x+(37-9x)^1/2=5 | | y=5/6x+6 | | y=5x/6+6 | | -20=8(x-7)+2(4x+2) | | 26+5y-1=16y-11-2y | | z/-7-12=-2 | | 3(2)/(3)*(6)/(7)= |