If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
-(3/5) = (1/2)*u-(6/7) // - (1/2)*u-(6/7)
6/7-((1/2)*u)-(3/5) = 0
(-1/2)*u-3/5+6/7 = 0
9/35-1/2*u = 0 // - 9/35
-1/2*u = -9/35 // : -1/2
u = -9/35/(-1/2)
u = 18/35
u = 18/35
| f(x)=-x^3-24x^2-199x-10 | | b=a+4c | | 5X+36-3X=9X-28+X | | 30x^2+x-120=0 | | X+9=78 | | 3a+2=7a-6 | | -5x-3=5x+17 | | 5x-(-2x)-6=4x+2x+3+4 | | 20/100=180 | | (2x-10)+(x+4)=180 | | 2*X*X+6X=0 | | 2x-10+4=180 | | y^2-2y+3x+7=0 | | 5-3x-5x+4= | | 12+n=132 | | x+9=4-4x | | 9-12x=60 | | 12x-8+2x-1=-3x-9 | | 4*x=42-2x | | (n-2)(n+6)+15=0 | | 2x-6-32/x^2 | | -5x-28+2x=-5x+28-x-4x | | 2x+2y+2z-6000=5000 | | 32/x=0 | | Y-11=-11 | | 2x-6-32/x=0 | | 3x+5y=-72 | | 15X+4=x+21 | | 2(x+1)-3(x-1)=4+2(5-3x)+1 | | 12x-6y=13 | | C-(-20)=-11 | | x+(x+2)=142 |