If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( h )
3*h+1 = 0
3*h+1 = 0
3*h+1 = 0
3*h+1 = 0 // - 1
3*h = -1 // : 3
h = -1/3
h in (-oo:-1/3) U (-1/3:+oo)
(7*h-1)/(3*h+1) = 3/8 // - 3/8
(7*h-1)/(3*h+1)-(3/8) = 0
(7*h-1)/(3*h+1)-3/8 = 0
(8*(7*h-1))/(8*(3*h+1))+(-3*(3*h+1))/(8*(3*h+1)) = 0
8*(7*h-1)-3*(3*h+1) = 0
47*h-11 = 0
(47*h-11)/(8*(3*h+1)) = 0
(47*h-11)/(8*(3*h+1)) = 0 // * 8*(3*h+1)
47*h-11 = 0
47*h-11 = 0 // + 11
47*h = 11 // : 47
h = 11/47
h = 11/47
| 5(8v+4)=100 | | 5(x-1)=2(x+5) | | 2-16n=-4(2n-2) | | 8(v+1)-2v=2(3v+1)-9 | | 3x-2+-4=x-8 | | 17=24-9 | | 3*314/78.5 | | 26/5-3y/5=6y/5-2/5(-8y-3) | | 27=24-9 | | 3*314/78.9 | | 5y-6=9y+10 | | 4x-1+3x-1=5x | | 4/3x-1/3 | | 1(2+3x)=1(-2+3x) | | 11(1+k)=9(k+5) | | 21x-14=5(4x+3)-1 | | 3*(3/4*x-1/4)+3/8*(3*x-2)=0 | | 2/x+4/x2=7 | | 9k^2+12k-4=0 | | 2x+x+(x+8)=180 | | f=50-x-2x | | 3*602.9/113.04=x | | P/2-(-2/5+7p/4)=17/5-9p/4 | | (2/7)x-(1/4)x+10=(3/14)x | | 231=-7(3-6k) | | 3+8(-3n+3)=7(n+6)+5 | | 440=-8(-7-8v) | | 4/7x+2=-6 | | 6*2x=24 | | 7(1/3)+3(3/5)-2(1/4) | | 3*(3/4*x-1/4)+3/8*(3*x-2) | | 1.02+2x=2.02 |