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/(-3) = -9 // + 9
K/(-3)+9 = 0
9-1/3*K = 0 // - 9
-1/3*K = -9 // : -1/3
K = -9/(-1/3)
K = 27
K = 27
| 7x(x+8)=231 | | b^2+5b=88 | | 2n+8=n-5 | | X+1.3(2)=x(3) | | -(4x+6)+3(x+8)=1-2x+2 | | 2(5x+1)=82 | | 12n^2+7=7n | | 4x+3y=450 | | 4(1x+1)=8 | | 5b=61-6 | | 3p-(4-4p)=3p-24 | | D=HP | | 6(3x+10)=204 | | y=3.9x+1.6 | | 14/9=42/18 | | 14+8x=7(3x+8)-7x | | 3(10+x)=66 | | 8r+9=25 | | 17x-12x+33x= | | 4m^2+7=-11 | | -217=-7(1-5r) | | b^3-a^3=0 | | -24=3(x+1) | | 5+5x=3x+13 | | 4k^3+8k^2+4K-12=0 | | 4.30x-3.60x=3.60x+4 | | 7/9=m/16 | | 34x+20y=362 | | X^2-128=-8x | | 6(5x-7)+7x=106 | | 7+4x=5x+7 | | 7y=29+6 |