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)
5/7 = (k-2)/14 // - (k-2)/14
5/7-((k-2)/14) = 0
(-1*(k-2))/14+5/7 = 0
(-1*7*(k-2))/(7*14)+(5*14)/(7*14) = 0
5*14-1*7*(k-2) = 0
84-7*k = 0
(84-7*k)/(7*14) = 0
(84-7*k)/(7*14) = 0 // * 7*14
84-7*k = 0
84-7*k = 0 // - 84
-7*k = -84 // : -7
k = -84/(-7)
k = 12
k = 12
| (2P+15)+(P+15)=105 | | (x+8)=(6x-58) | | 2w+5+3w-6=14 | | -5(v+6)=-4(v+9)-7 | | a+3a=564 | | -18.6/(-3) | | 1616.786=2*3.14*90.25+2*3.14*9.5*2.7 | | 2x=48-10x | | -375=5(8n+5) | | Y=4+3y | | 11x-14=5x+6 | | 8x+16=36-2x | | 26-3x=5 | | 46x+30=50x | | -2x+0=8 | | 7y^2+42y-112=0 | | 9+5n=(-21) | | 12+2x=-7 | | 8/3(-21/2 | | 5(-2)-y=-4 | | 11A=252 | | y=xy-8 | | a+6b=4 | | 4*a-3=3*a+7 | | 440=3xc | | 5x-7y-z=5 | | -5(2t+1)=-55 | | 1/2n-3=7 | | log(8x+1)=1+log(x-7) | | H=-16t^2-29t+100 | | -9x^2+13x-4=0 | | 2r/3-3=3 |