If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k in (-oo:+oo)
10*k-(3/(-8)) = 0
10*k+3/8 = 0
10*k+3/8 = 0 // - 3/8
10*k = -3/8 // : 10
k = -3/8/10
k = -3/80
k = -3/80
| X+(6x-20)+(3x)=180 | | 3x+y/2=9 | | X+(6x-20)+3x=180 | | -16x^2+33x-16=0 | | -5x=2x-9 | | 2x-7=-12X | | 7(0)+y=-7 | | 2x+8=3x-x+9 | | -2.1x+3.7=-8.9 | | -21.1-z=24.4 | | (x/3)+(x/7)=9 | | -2(-2)+(12-9)=2+9+2(-2) | | 1.7x+4.1=9.2 | | 10.8-.2w=9 | | 750.00-50.00h=-185+35.00h | | x+8=3x-x+9 | | x+1/2=8 | | 24q-32=76 | | 10-6-(-4)+3= | | 1/2x+3/8=-2x | | 43n+11=97 | | (1/3x)=-4 | | -7/9t=-8/9 | | 12=4-3r | | 4w+2=8 | | 2=5b-7 | | 8n^2=38n-10 | | 6x(4-3)+49= | | -11.2-z=28.3 | | 4n^2+19n-5=0 | | 8-7p=3 | | 6/7z=12 |