If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
7*x-5 = 0
7*x-5 = 0
7*x-5 = 0
7*x-5 = 0 // + 5
7*x = 5 // : 7
x = 5/7
x in (-oo:5/7) U (5/7:+oo)
(5/(7*x-5))*(x+4)-x+6 = 0
(5*(x+4))/(7*x-5)-x+6 = 0
(5*(x+4))/(7*x-5)+(-x*(7*x-5))/(7*x-5)+(6*(7*x-5))/(7*x-5) = 0
5*(x+4)-x*(7*x-5)+6*(7*x-5) = 0
10*x-7*x^2+42*x-30+20 = 0
52*x-7*x^2-10 = 0
52*x-7*x^2-10 = 0
52*x-7*x^2-10 = 0
DELTA = 52^2-(-10*(-7)*4)
DELTA = 2424
DELTA > 0
x = (2424^(1/2)-52)/(-7*2) or x = (-2424^(1/2)-52)/(-7*2)
x = (2*606^(1/2)-52)/(-14) or x = (-2*606^(1/2)-52)/(-14)
(x-((2*606^(1/2)-52)/(-14)))*(x-((-2*606^(1/2)-52)/(-14))) = 0
((x-((2*606^(1/2)-52)/(-14)))*(x-((-2*606^(1/2)-52)/(-14))))/(7*x-5) = 0
((x-((2*606^(1/2)-52)/(-14)))*(x-((-2*606^(1/2)-52)/(-14))))/(7*x-5) = 0 // * 7*x-5
(x-((2*606^(1/2)-52)/(-14)))*(x-((-2*606^(1/2)-52)/(-14))) = 0
( x-((-2*606^(1/2)-52)/(-14)) )
x-((-2*606^(1/2)-52)/(-14)) = 0 // + (-2*606^(1/2)-52)/(-14)
x = (-2*606^(1/2)-52)/(-14)
( x-((2*606^(1/2)-52)/(-14)) )
x-((2*606^(1/2)-52)/(-14)) = 0 // + (2*606^(1/2)-52)/(-14)
x = (2*606^(1/2)-52)/(-14)
x in { (-2*606^(1/2)-52)/(-14), (2*606^(1/2)-52)/(-14) }
| 16-4k=20-2k | | ((c/2)-(d/3))(d^2) | | ((c/2)-(d/3))(d^2)=t | | p^2-22p-23= | | 2999-100x=1649.45 | | 4x-7=5x-16 | | k^2+14k+13= | | 10x-5=5x+30 | | -68=3x-(100+2x) | | v^2+12v+11= | | d=3t-2 | | 1835.4=9/5C+32 | | -7(-3w+4)-7w=6(w-4)-6 | | d^2-12d-13= | | 5x-4=8-x | | p^2-10p-11= | | X^12x+36=81 | | 9c-6=2c | | 10x-5=5+30 | | 10x-5=5+301 | | u^2+18u+17= | | 1x-19=-29+7 | | 7x-3+2x=7-6x | | 5-18x=-28 | | 2(-5x+4)=15x+2 | | y=3(6)-5 | | a+10b-c=30 | | (3y+4)/2+(2y-5)/3=31/2 | | (5/6w)+(1/w)=-4 | | y=3(4)-5 | | 2999-x=1649.45 | | y=3(2)-5 |