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)
(x+12)*(154/x+1) = 186 // - 186
(x+12)*(154/x+1)-186 = 0
(x+12)*(154*x^-1+1)-186 = 0
(x+12)*(154*x^-1+1)-186 = 0
x+1848*x^-1-20 = 0
x+1848*x^-1-20 = 0
1*x^1+1848*x^-1-20*x^0 = 0
(1*x^2-20*x^1+1848*x^0)/(x^1) = 0 // * x^2
x^1*(1*x^2-20*x^1+1848*x^0) = 0
x^1
x^2-20*x+1848 = 0
x^2-20*x+1848 = 0
DELTA = (-20)^2-(1*4*1848)
DELTA = -6992
DELTA < 0
x in { }
1 = 0
1 = 0
x belongs to the empty set
| 4-2(3x+1)=8x+2 | | 35=7x+2x-10 | | (x+12)((154/x)+1)=186 | | 3x/b=4c | | x^2-9/64 | | 440000= | | 13.7b+-6.8=-2.3b+8.3 | | -15=-3(5-4x) | | 2x+y=y+10+x | | x+(x-3)+(x+4)=196 | | 8(3a-5c+6b)= | | 20c^2-41c+20=c | | 5y-3-1=9 | | -16r^2/20r^3 | | 3a^2-11=21+a^2 | | 3x^3-15x^2+12x= | | -7-4x+6x=-31 | | 20+5n=25 | | 4x-15=2x+1 | | 3-1-5y=9 | | 4(3x-1/4)=13x | | f(x)=5x-5 | | 3(t+8.2)=-1.3t+37.5 | | x+6.5x=180 | | -17=-14+y | | -6n+4n=-8 | | 7(1+5n)+6(4n)=13 | | 30+2.5n=32.5 | | 4r+2=5r-12 | | 40=0.4y | | 5/4x-9=0 | | 5(-3n+2)=2-15n |