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)
3/X = 0.6 // - 0.6
3/X-0.6 = 0
3*X^-1 = 0.6 // : 3
X^-1 = 0.2
-1 < 0
1/(X^1) = 0.2 // * X^1
1 = 0.2*X^1 // : 0.2
5 = X^1
X = 5
X = 5
| -1.25x+0.15=0 | | -5(x-1)=75 | | 3/(1-X)=0.6 | | 5x-15=39 | | 73/5-41/2 | | (1/x+3)+(1/x+8)-1=0 | | 3.1q-4.7-4.5q=-2.4q-2.3 | | 7/x-1/3=5/x | | m-40=47 | | X+72=90 | | 139/9-3/9 | | 7-(-2y)+y-9= | | 14-3/9 | | (1/x+3)+(1/x+8)=1 | | f(x)=-4x^2+6x+7 | | 2(x-8)=48 | | (x/3)+(3/5)=(5/6) | | 13/4+7/8+1/4+7/8+23/4+1/2 | | -48=6(2+v) | | 5y-15=25 | | a^-2-b^-2/a^2-b^2 | | 3z^2-z-1=0 | | -3z^2+z+1=0 | | -4a^2-4a+7=0 | | -18=4 | | 3(2x-5x)=x+45 | | 24=4x-16 | | 0.04x^2-0.04x-0.01=0 | | 93/5+1218/25 | | 6-2x=90 | | 0.02y^2-0.01y-0.02=0 | | 108=72h |