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-((6*x)/7)+5 = (2*(1-x))/x // - (2*(1-x))/x
3*x-((2*(1-x))/x)-((6*x)/7)+5 = 0
(-6/7)*x-2*x^-1*(1-x)+3*x+5 = 0
(-6*x)/7-2*x^-1*(1-x)+3*x+5 = 0
(-2*7*x^-1*(1-x))/7+(-6*x)/7+(3*7*x)/7+(5*7)/7 = 0
3*7*x-2*7*x^-1*(1-x)-6*x+5*7 = 0
21*x-6*x-14*x^-1+14+35 = 0
15*x-14*x^-1+14+35 = 0
15*x-14*x^-1+49 = 0
15*x-14*x^-1+49 = 0
15*x^1-14*x^-1+49*x^0 = 0
(15*x^2+49*x^1-14*x^0)/(x^1) = 0 // * x^2
x^1*(15*x^2+49*x^1-14*x^0) = 0
x^1
15*x^2+49*x-14 = 0
15*x^2+49*x-14 = 0
DELTA = 49^2-(-14*4*15)
DELTA = 3241
DELTA > 0
x = (3241^(1/2)-49)/(2*15) or x = (-3241^(1/2)-49)/(2*15)
x = (3241^(1/2)-49)/30 or x = (-(3241^(1/2)+49))/30
x in { (-(3241^(1/2)+49))/30, (3241^(1/2)-49)/30}
(x+(3241^(1/2)+49)/30)*(x-((3241^(1/2)-49)/30)) = 0
((x+(3241^(1/2)+49)/30)*(x-((3241^(1/2)-49)/30)))/7 = 0
((x+(3241^(1/2)+49)/30)*(x-((3241^(1/2)-49)/30)))/7 = 0 // * 7
(x+(3241^(1/2)+49)/30)*(x-((3241^(1/2)-49)/30)) = 0
( x+(3241^(1/2)+49)/30 )
x+(3241^(1/2)+49)/30 = 0 // - (3241^(1/2)+49)/30
x = -((3241^(1/2)+49)/30)
( x-((3241^(1/2)-49)/30) )
x-((3241^(1/2)-49)/30) = 0 // + (3241^(1/2)-49)/30
x = (3241^(1/2)-49)/30
x in { -((3241^(1/2)+49)/30), (3241^(1/2)-49)/30 }
| (96-30x)/21 | | 16/14/25/34 | | 8a+4b+2c+d=X | | 7x(6x+1)=0 | | 2(4x-2)=3(-3x+4) | | 4d^2-36d+81=0 | | 9x-(3x+7)=8+(4x+1) | | a+2b+3c=455 | | X^4-9x^2-36=0 | | -1/3X-1/2 | | 5x^3+2x^2-3x+2=0 | | -1/10X1/2 | | -3/4X1/3 | | 4/9x-2/5 | | 1/2(8x-14)=-13 | | x^2+y^2-10x=0 | | -18=-4x+31-6x+27 | | 2x+8/5=(2X/3) | | 2x-6=3x-9-4x | | 2(2x-3)+3(4-x)=-(x+1) | | 4x^2-4=8 | | 3x^2-7-1=0 | | -8i^14= | | 3.5=-y+6.3 | | 4.3t-2.1t-2.3t=7.6 | | 12+7=10x+13 | | -3=(z/5)-2 | | (5i+2)(4-3i)-(2-i)(6i-7)= | | 3u-12=24 | | 4x+(2x-5)=1 | | 20-9x=37 | | 21-5x=8 |