If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( a )
a = 0
a = 0
a = 0
a in (-oo:0) U (0:+oo)
205/a = 5/16 // - 5/16
205/a-(5/16) = 0
205/a-5/16 = 0
205*a^-1 = 5/16 // : 205
a^-1 = 1/656
-1 < 0
1/(a^1) = 1/656 // * a^1
1 = 1/656*a^1 // : 1/656
656 = a^1
a = 656
a = 656
| 4x-6+3x+2+x+12=360 | | X^3-2x^2-x-22=0 | | 33/55=g/30 | | 4(w-4)=w+4-2w | | -5(x-11)=70 | | 1/(9x)1 | | 5205+1904-90*90= | | 5(x-3)=2(x+17)-x | | 12+5m=62 | | 5s-6(3b-1)=-11 | | 16/t=20/13.5 | | 8*x=10*48.46 | | X^3-2x^2-x-12=0 | | 2x*3=180 | | 18/57=12/z | | 2x-33=x-33 | | sinx+sin(3x)=0 | | -10x+9+10x= | | 20-(3c+4)=5c | | 1.9q-3.8-4.1q=3.2q-4.6 | | 3/5=405/q | | 80.5=3x-3x-8x-20.5 | | 6cosx-1=2 | | 0.4x+0.8=-1.2 | | p/5.6=9/2.8 | | 6x+5x=2x+18 | | 0.3x+0.6=-2.1 | | 12-p=126 | | =7a-3b+5a+6b | | 22/21=550/n | | 18c+5-6c=53 | | 75/30=10/c |