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/14-10 = -9 // + 9
K/14-10+9 = 0
1/14*K-1 = 0 // + 1
1/14*K = 1 // : 1/14
K = 1/1/14
K = 14
K = 14
| 11x-6=10x | | x+4=64 | | 1/9y=-2 | | 3a+4=2(a-5)+15 | | -50-2x=-0 | | 1/5x=11 | | 3x+7=67 | | 5/8+1/4+2/3+M+N=3 | | 7+3x=67 | | 5y+4y=7 | | 9n-3=14 | | 0.5(2m-3)-0.8=2.7 | | 1/8x=4 | | 0.4(2x-3)=0.2 | | 5y+4wheny=7 | | 12y^2+9y+8y+6=0 | | 6-7n=-20 | | 135+x+x+55=180 | | 7y-3=4y-15 | | 2/5x-1/4(x-8)=13/2 | | 8-4n=-12 | | c+c=6 | | 1/3x=33 | | 4x^2+4-2=0 | | (11-7)8+2= | | X+x/2=21 | | 4569+1.8x=4569 | | (81/9+54-2)+(64/8*3+5)=x | | 215/16-183/4 | | -3/4n+7=25 | | 51/5-37/8 | | -6-3u+9-(4u)= |