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/4+1 = 7 // - 7
k/4-7+1 = 0
1/4*k-6 = 0 // + 6
1/4*k = 6 // : 1/4
k = 6/1/4
k = 24
k = 24
| y=-2x^2+8x-9 | | -6x-5(x-3)=136 | | 3.4xc-1.7=6.8 | | 175000.00+550.00x=35000.00+1680x | | x-28=31 | | 8=k/3+2 | | -2p+8=5(8p+4) | | 3p^2+6p-7=0 | | 6x-4(x-2)=-14 | | 6y^2-4y+3-5y^2-4y+6= | | 2b-7=9b-2 | | 5x-3x+4=3x-8 | | 4m^2-14m+6=0 | | 1/4(10x-1)=4 | | 4x-6x+x-6+5x= | | 9x+12+5=250 | | -5x-2(-x+2)=26 | | -x+4y=-40 | | y=0.04x^2+1.56x | | -7x+5(x+3)=29 | | 5d+2=-33 | | 5x-5=12x-6 | | 10=6x-16 | | 0=14-x+6x-6 | | 0=7x-2(3x-4) | | -3x+5=22+10 | | 1.5-5r=7.4 | | 80+5/16y=100 | | .5(b)(b-8)=10 | | 4x-2(3x-4)=-10 | | -3p+8=5-(8p+6) | | 6x+51=18 |