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)
50/x = 4 // - 4
50/x-4 = 0
50*x^-1 = 4 // : 50
x^-1 = 2/25
-1 < 0
1/(x^1) = 2/25 // * x^1
1 = 2/25*x^1 // : 2/25
25/2 = x^1
x = 25/2
x = 25/2
| 275=15+10x | | 15-4(n-2)=27 | | 9a-9ab-6-2ab+7a= | | 32+6(z-5)=-48 | | 2(-5)(6-11)+7= | | a=-bx/2c | | -[7z-(18z+5)]=5+(10z+1) | | 2x*x+16=6x*x | | t=6+4.47s | | 5=3x-19 | | 22=5(y-8) | | 4x+4=-5+2x+23 | | 2x-4(x-3)=-5+2x-7 | | 4/7=3/4 | | 3/x-1=5/x | | 5-3(y)=23-3y | | .2X=600 | | 5(p-3)+7=-8+4p | | 7+3x=121 | | -34+(-15)= | | 2(3x-3)+2(x-3)=(2x-1)+(2x-1)2x | | 8x+3-6=4 | | 2(3x-3)+2(x-3)=(2x-1)(2x-1)2x | | -(-(-(-30)))= | | x-6/2=d | | 2(2x+1)=5x+3x+9 | | 5/6=x/84 | | 5p+5=17+6p | | 2x+3y=-87 | | 4*+7=-1 | | 1/9y-2=-14 | | Log32^x=1/5 |