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)
5/a = 10 // - 10
5/a-10 = 0
5*a^-1 = 10 // : 5
a^-1 = 2
-1 < 0
1/(a^1) = 2 // * a^1
1 = 2*a^1 // : 2
1/2 = a^1
a = 1/2
a = 1/2
| -4m+4m=-12(m-11)+6(-2m+6) | | 18/x=12/4 | | 3(x-2)-(x+1)=-11 | | (6x+20)=(x+40) | | 3(x-2)-(x+1)=-12 | | 0.75(8n-4)=-2 | | 90/x=40/100 | | 11x+5+13x-5=180 | | -20=2b | | 72+8m=176 | | 8=r+3 | | h+47=-9 | | 3(4x+3)-8=49 | | 48x-60=6(8x-10) | | 16.8-v=6c | | 14+6x=2(-x+4)-42 | | -5=2/z | | 3m-2= | | 21n-84=168 | | A=40x+3 | | 0.5k+1-1k=2k | | 5x+21+12x+6=180 | | 3(44)+-4=4x+-8 | | 2(y+5)+5(y-2)+3= | | -6f=54 | | 15-4m-3=32 | | 3y+-4=4x+-8 | | x^2-70=155 | | 2x-5(-6x+10)=110 | | 5n*9n= | | h=-16t^2+112t+160 | | 5x+40x-9=9(5x+5) |