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)
(1/2)*k-4 = 3-((1/2)*k) // - 3-((1/2)*k)
(1/2)*k+(1/2)*k-4-3 = 0
k-7 = 0 // + 7
k = 7
k = 7
| F(x)=x^2-15x+50 | | 4=43+11x | | 43=4+11x | | 1/2f=1/6f | | (4x-4)/(x^2-2x+1)=0 | | 5=68.89+2x | | 40-5*n=-2 | | 2t^2+15t+7=0 | | 23x+20-28=7(4+2x) | | 2x^3+50=0 | | 0=(3x+7)(4x-1) | | 3x=45+-12 | | (x-2/4)+3=27 | | m^2-15m=50 | | 0.20(14000)+0.14t=0.18(14000+7) | | -28+15-22z=30 | | 32y^4-50y^2=0 | | 2pi(r)=6 | | (8-2/4)+3=27 | | 56m^2+m-42=0 | | 57=-2/3x+15 | | 52=-2/3x+15 | | 1/3(6x-15)=1/4(20x-8) | | 0.7*n-1.5+7.3*n=14.5 | | 56=-2/3x+15 | | 54=-2/3x+15 | | 2(x-3)=x-3(x-1) | | 53=-2/3x+15 | | 1/4m=6 | | 25x^2+4=20 | | x+5/6=x+6/7 | | (2x+1)/3+(16)=3x |