If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
2*x+1 = 0
2*x+1 = 0
2*x+1 = 0
2*x+1 = 0 // - 1
2*x = -1 // : 2
x = -1/2
x in (-oo:-1/2) U (-1/2:+oo)
(8*x)/(2*x+1) = 8/10 // - 8/10
(8*x)/(2*x+1)-(8/10) = 0
(8*x)/(2*x+1)-4/5 = 0
(5*8*x)/(5*(2*x+1))+(-4*(2*x+1))/(5*(2*x+1)) = 0
5*8*x-4*(2*x+1) = 0
32*x-4 = 0
(32*x-4)/(5*(2*x+1)) = 0
(32*x-4)/(5*(2*x+1)) = 0 // * 5*(2*x+1)
32*x-4 = 0
32*x-4 = 0 // + 4
32*x = 4 // : 32
x = 4/32
x = 1/8
x = 1/8
| 3/4(h+6) | | 3x+5+2x+4=54 | | 2*7/10 | | 0=x-.077x | | 5a-7+3a=2.16 | | (-1/144)(8-10)+1/12 | | 5a-7+3a=2.16667 | | 2x7/10 | | 1/3(3y+12)-6=-1/5(10y-35) | | 2x+25=18 | | x+4=(3/5)(x-5)+27 | | 3w-5=54 | | 3(9-5)=9+3 | | 5-r/10=4.2 | | 12x+3y-5=0 | | 12(3x+6)-5(2x-2)=6x-18 | | 8x+10-2x=14-15x-16 | | 2x-19=-37 | | 5a-7+3a=21/6 | | 40=6.95x+5.25 | | -27=(3/5)(x-5)-(x+4) | | 2(-43)+y=-92 | | -84/(-12) | | -0.454545455h+0.78=0.2 | | 2x+2(-92-2x)=-98 | | 2(3.14)(1.5*1.5)+2(3.14)(1.5)(4.5)=d | | d+e=5 | | 30x=6(x+4) | | 7k-3-5k=3 | | (4x-12)(4x-12)=0 | | 1=1-x | | y/2-(y-5)/5=4 |