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)
-7 = k/2-10 // - k/2-10
10-(k/2)-7 = 0
3-1/2*k = 0 // - 3
-1/2*k = -3 // : -1/2
k = -3/(-1/2)
k = 6
k = 6
| b/2=2=6 | | f(x)=9-2*x+2 | | -133=-5-6x | | 67+-4q=7 | | 19x=15x+24+4 | | f(8)=21 | | (x+3)(x-5)(x-8)=0 | | 8x-2=9+-7x | | -w+4(w+30)=-12 | | 2=h/4-2 | | -81=4-5n | | -104=-6n-8 | | 2x-19=3+19 | | 10x-48=4x+9 | | 8m-20=36T | | g/4-2=1 | | 15+3g=5+3g+10 | | f(t)=2t^2+5 | | 17y+12=2+10+17y | | (x+0)(x-6)=0 | | 10x+y=1100 | | X-6x-2(-3+2x)=3+2x | | 7a-8=4+a | | 5y+6(3y-2)=2y-24 | | X*7+19=x*5+77 | | 8b^2-6b^3=0 | | 2f+4=6 | | log(x)=(4-log(4x-2)) | | 11(x-2)=7x+6 | | 3x-(-5+6x)=24 | | 7a-8=4+9 | | 40x+34=474 |