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)
k*((6*k-2)/15) = 0
(k*(6*k-2))/15 = 0
( 6*k-2 )
6*k-2 = 0 // + 2
6*k = 2 // : 6
k = 2/6
k = 1/3
( k )
k = 0
k in { 1/3, 0 }
| y/8+19=30 | | -8(1+4x)=-40 | | 0.71-0.22s=1.03-0.62 | | b/-6=30 | | s-7-1=75 | | -8n+1+7=16 | | 50=10+n+5+2 | | 300=200+25+0.02x | | y/-3=-8 | | 123m+2=216 | | -1/3x=5 | | 95=11+9+r-15+13 | | X+21=44 | | 2/3m+5=13 | | 3x-5=44 | | 3t=6t-20 | | N+6-8n=-22 | | (X+30)=x | | 2Y=45+4X | | 2(-6x-1)+2=-12x | | 6k+2/4=2 | | 2t+11=5t | | -2+5x-5x=x+6+x | | 3t=5+14 | | X/2=70 | | 36w^2-121d^2= | | x-0.4=1.5 | | 5t+15=2t | | 187=11f | | q+15=90 | | (X-5)=40 | | 16z-14z-20=22 |