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)
7/a = 14/16 // - 14/16
7/a-(14/16) = 0
7/a-7/8 = 0
7*a^-1 = 7/8 // : 7
a^-1 = 1/8
-1 < 0
1/(a^1) = 1/8 // * a^1
1 = 1/8*a^1 // : 1/8
8 = a^1
a = 8
a = 8
| 335/ | | K/3=15/18 | | X^2-6x+4=o | | -2+15=12x-4 | | 4x+6x=22 | | x*x=26.01 | | f(10)=x^2+x-20 | | f(5)=2+7x | | 25+7y=2y | | 26=2(4x-3) | | 3y+x^2=6-x | | 4n+36=6n | | 3(4x-3)=39+60x | | T=a+d(n+1) | | 5n-2=8n+1 | | 16x+5=-4(2-4x)+13 | | x^2-4xy-5y=0 | | n^2-5=-6 | | -5b+2b=-22 | | 30x^2-7x-88=0 | | 2x+4=14+6x | | -2y-5=6x+11 | | -4v^2-11v+56=-9v | | 3n=7n-4 | | 3g+4b=270 | | 5(x-4)+25=35 | | v^2+15=4v^2 | | -19.2s-8.4=-2-3.6s | | 308=-7(4-6m) | | 4x^2=3x+16 | | 2xsqaured-2=48 | | y=sqrt(x/7) |