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)
63/x = 12/100 // - 12/100
63/x-(12/100) = 0
63/x-3/25 = 0
63*x^-1 = 3/25 // : 63
x^-1 = 1/525
-1 < 0
1/(x^1) = 1/525 // * x^1
1 = 1/525*x^1 // : 1/525
525 = x^1
x = 525
x = 525
| 2sin(2x)=cosx | | 6.54=0.957x+2.272 | | 6.54=-0.513x+8.152 | | 12+10n= | | 860/200=x/100 | | 200/860=x/100 | | 11+3x=131 | | 6x+9=6(x-7)+51 | | 200/800=x/100 | | 200/800== | | 23x+2y=45 | | -2a+4=6a-12 | | 9x+5(x-60)=2300 | | 48/x=40/100 | | 5a+8=9a | | x/76=50/100 | | 4x+1=3(x-1)+4 | | 45/225=x/100 | | 48x^3y+44x^2y+8xy=0 | | 1x-2y=2 | | 2x(x+.5)=10 | | 9(k-1)=6k-12-4k | | x+5x+6x-3=165 | | x^2+3xy+y^2=20xy-x^2=1 | | 3/x=12/16 | | x^2+3xy+y^2=20 | | x/0.24=1/0.6 | | x+(x+3)+4x=164 | | sinA=0.794085 | | (.05*x)+x=225 | | .05*x+x=225 | | 5-2a+4-5ab+3ab-7a= |