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)
-18 = k/2-8 // - k/2-8
8-(k/2)-18 = 0
-1/2*k-10 = 0 // + 10
-1/2*k = 10 // : -1/2
k = 10/(-1/2)
k = -20
k = -20
| 6x^2+144=0 | | 2m-(8m/5)=(3m/45)+(11/3) | | 10-4x=5x-8 | | 6x+10y=0 | | 9c-11=-c+59 | | 15=3-(c+5) | | (1/10)p=10-(1/40)p | | 6(3x-4)+10=5(x-2)-(3x+4) | | (x/3)=(4x/21)+2 | | 4x-9=7x+21 | | 755=5x*3 | | -13Z-12Z=-16+23 | | 1-2t/-2+4t+1/t=1 | | 4p+1/12+2p-3/6=7/4 | | 7+10*24= | | (1-2t/-2+4t)+1/t=1 | | -8-[2+5y-2(y+2)]=-5(2y-5)-[8(y-1)-3y+3] | | 2x+17=5-4x | | 5(x-1)+1=36 | | x^2y-16y= | | -12a^4+6a^3-3a^2= | | 2+-4(y+-5)=-4 | | 5y+1-y=49 | | 0.02(6y-7)=0.12(y+7)-0.98 | | (3x-7)+35= | | r(z^5-19)+(z^5-19)= | | 3x-(4x+8)=x-11 | | -12,720+20x=-6000 | | 9x^2-20x-4x-9=0 | | (9+5t)(-7)= | | 3x-35/5 | | 5b-10=14+b |