If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
(25*z)/2-1 = 0
25/2*z-1 = 0 // + 1
25/2*z = 1 // : 25/2
z = 1/25/2
z = 2/25
z = 2/25
| (8y)-(-5y)= | | (x+15)=45 | | 16y/2-36 | | 5x+10=-110-9x | | 6(p+7+9q)= | | x=5*5*5*5*5*5 | | x/2-144 | | 3b+7=b+10-b | | 1+2k-1=-6 | | 2(3x-7)=13 | | a/2-81 | | 2(2k-9)=8k+6 | | 3x+51=8x-14 | | 11k-23=15+1 | | 4x^3+43x^2*30x=0 | | 0.1x-0.4(4-3x)=-0.5(x-4) | | 9=(4m-2)-6m | | 5b+3+1=9 | | 14(w-2)+13=4w+5 | | 2n+5n-2=5n+10 | | X+0.2X=50000 | | 6n+3-4n=-9 | | 39-5x=13x+17 | | 5x-22=4x-4 | | 2+9=36 | | r=3k+3v | | x^4+9x^2=0 | | Y=16x^2-9 | | 6(x-20)=240 | | x^2+2x=13x-28 | | 6+9y=54 | | x+6=-(6x+6) |