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+3 = 7 // - 7
K/3-7+3 = 0
1/3*K-4 = 0 // + 4
1/3*K = 4 // : 1/3
K = 4/1/3
K = 12
K = 12
| -3-(4-2p)= | | (2+7z)+(8z-6)-(4+9z)=22 | | -6x+5y=15 | | -6+5y=15 | | n-10/-1=0 | | w-2/3=72/5 | | 4x^2+y^2+6y+5=0 | | h-46/-5=-7 | | 100[0.07(n+4)]= | | y^2+3y=9 | | -7/2(y-6)-1/4y | | 7x-4y=16 | | 3(k-5)+1=10 | | 4(p+2)-8=4 | | n/7=n/3+4/21 | | -3(p+-1)=-6 | | 1/u-2 | | 3(8y+5)-2(2y)=57 | | 3x+5=0-20 | | 20=4(q+2) | | r^2-r-1=0 | | 3/u+2 | | 11=0-3-10 | | 3(k+20)-6=12 | | 9x^2+6xy+y^2-64x-8y+140=0 | | a+11=17 | | -11=-3u | | 3(4k+2)-17k+8+4= | | 3=-12/f | | 3=9/y | | -5.3(4s+6)-1.6(2s-5)= | | 3(s+1)+6=6 |