If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( n )
3*n-24 = 0
3*n-24 = 0
3*n-24 = 0
3*n-24 = 0 // + 24
3*n = 24 // : 3
n = 24/3
n = 8
n in (-oo:8) U (8:+oo)
(5/2)*n = 8/(3*n-24) // - 8/(3*n-24)
(5/2)*n-(8/(3*n-24)) = 0
(5/2)*n-8*(3*n-24)^-1 = 0
(5*n)/2-8/(3*n-24) = 0
(-8*2)/(2*(3*n-24))+(5*n*(3*n-24))/(2*(3*n-24)) = 0
5*n*(3*n-24)-8*2 = 0
15*n^2-120*n-16 = 0
15*n^2-120*n-16 = 0
15*n^2-120*n-16 = 0
DELTA = (-120)^2-(-16*4*15)
DELTA = 15360
DELTA > 0
n = (15360^(1/2)+120)/(2*15) or n = (120-15360^(1/2))/(2*15)
n = (32*15^(1/2)+120)/30 or n = (120-32*15^(1/2))/30
(n-((120-32*15^(1/2))/30))*(n-((32*15^(1/2)+120)/30)) = 0
((n-((120-32*15^(1/2))/30))*(n-((32*15^(1/2)+120)/30)))/(2*(3*n-24)) = 0
((n-((120-32*15^(1/2))/30))*(n-((32*15^(1/2)+120)/30)))/(2*(3*n-24)) = 0 // * 2*(3*n-24)
(n-((120-32*15^(1/2))/30))*(n-((32*15^(1/2)+120)/30)) = 0
( n-((120-32*15^(1/2))/30) )
n-((120-32*15^(1/2))/30) = 0 // + (120-32*15^(1/2))/30
n = (120-32*15^(1/2))/30
( n-((32*15^(1/2)+120)/30) )
n-((32*15^(1/2)+120)/30) = 0 // + (32*15^(1/2)+120)/30
n = (32*15^(1/2)+120)/30
n in { (120-32*15^(1/2))/30, (32*15^(1/2)+120)/30 }
| w-12=88 | | 2(3u+7)=5(-2b+6) | | 2x-21=57 | | (-6x-3)-4=12 | | X+1/8=54 | | 1.5x-5=2x/4 | | 2p-6=16 | | 39-6x=3(1-8x) | | 0.2(2x+8)=0.4(x+4) | | fz-gz=h | | 3/5k-1/10k=1/2k | | 0=x^2-4x-525 | | 1/3(6z+24)=1/5(20z+30)-z | | 85+0= | | (-5)(-5)+9= | | 2x+15=57 | | (5x/7)-8=32 | | p+5p+3p-1=8 | | 2x^2+28x+100=0 | | 4x+3y=-5x+12 | | 14x-22=180 | | -4(t-4)+8t=7t-2 | | -4=-4/(8X) | | 5x^2-100x+500=0 | | 9x+6=9(x-6) | | 1-5m+4m= | | 3.4=-13.6-3.4x+1.7x | | 7+5(6-4x)=-2-7x | | (x/3)-5=-8 | | -7y-14=4y+19 | | 7(n-5)=-28 | | 18+k=4(k) |