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)
170/x = 4 // - 4
170/x-4 = 0
170*x^-1 = 4 // : 170
x^-1 = 2/85
-1 < 0
1/(x^1) = 2/85 // * x^1
1 = 2/85*x^1 // : 2/85
85/2 = x^1
x = 85/2
x = 85/2
| (2x-3)=(x+7) | | 15(5-y)=3y+12 | | 4(5z)-2(/3)=3(z/1) | | 116-x-x=180 | | 4/3×3.14×343 | | 5x+3(2x-6)= | | Y=11x+116 | | 7.4x=4.3(2x-5) | | 5x+8-2x=9+2x-7 | | 12.5timesx=131.25 | | 3sin(x+6)=7 | | X+20=4x+23 | | (7u-5)(2u+3y-2)= | | 2(2a-2)=3a+6 | | y^2-5x-4y-31=0 | | y=0.42x+55 | | 8(6f-14)-7(13-5f)+(23f+2)-(2f+65)=0 | | 6x+9=67 | | y=0.42x+71 | | 2(2y+5)=5y+3 | | y=25x-66 | | y=71x-29.82 | | Y=cos(7x^3) | | 2(x-9)+6(x+2)+4x=0 | | 18=3k-9 | | -12=4x^5-19 | | 20*((x-15)/(2x-10)) | | (2t-8)=4(7+t) | | F(x)=5x^2-6x-3 | | x^2-48=-13x | | 50*9.81*0.2+50*a*0.215=102.65*0.7 | | -n-2=-9 |