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)
150.5/14 = 698.75/x // - 698.75/x
150.5/14-(698.75/x) = 0
150.5/14-698.75*x^-1 = 0
-698.75*x^-1 = -10.75 // : -698.75
x^-1 = 0.01538462
-1 < 0
1/(x^1) = 0.01538462 // * x^1
1 = 0.01538462*x^1 // : 0.01538462
64.9999805 = x^1
x = 64.9999805
x = 64.9999805
| (1.4y-3)-(y-0.7)= | | 2xy-4x+y-6=0 | | (3x^2-3x-9)-(-6x^2+5x+7)= | | Log(x)+4=6 | | x^3-xy^2+x^2*y-y^3=0 | | x=1.7+-0.6y | | 5x+3y=8.50 | | 8+2(9x-10)= | | 0.05x+0.04y=301 | | 6t^2+22t-40=0 | | 5-2((-2^2-(3*2^3-12/3))) | | (x^2+3x+2)(x^2+7x+12)+(x^2+5x-6)=0 | | -8=x/-6 | | u=4(3n+32)+7(n+1) | | 10x^4y^9/30x^12y^-3 | | 233/165 | | u=6(4n+35)+7(n+1) | | 8/25 | | -8-2/5 | | F(x)=(x^2)/(x^2-x-20) | | 35xy/49y | | 2x-5=3(x-4) | | 324+x^2=9 | | 10=10y-5y-5 | | 324+x^2=x | | x-6/4=2 | | 7x-1+6x=5x+4-7x | | 3x(-2)-17x(-1)+20=0 | | u=2(7n+35)+5(n+1) | | (6x)/(x-7)0 | | (4a-5)+(3a+6)=x | | (x^2-7x+10)=0 |