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/4-13 = 4 // - 4
k/4-13-4 = 0
1/4*k-17 = 0 // + 17
1/4*k = 17 // : 1/4
k = 17/1/4
k = 68
k = 68
| 17x+1.79=50 | | 10-6m=-44 | | 3(2-z)/=-z | | -10p+9p=112 | | (Y^7x)/(y^4x^5) | | (1/2)*4 | | 60-6x=-12 | | 8a^3-6a^2=0 | | 22x+40=84 | | 0.02(6t+8)=0.12(t+5)-0.44 | | 15x+17=42 | | 27.3+c=3.29 | | 49x+37=95 | | x^2-17x+100=0 | | 0.011-0.01(x+1)=-0.02(1-x) | | 14m^2n+7mn=0 | | 9.3y=111.6 | | 8x-4/2x-1 | | 3x^2+21x-54= | | b/12=1.8 | | 1/2z7 | | X/5-1=11 | | 4x+3+35=90 | | 7p+5-3p+19=10p+15-3p | | 12x^2=x^2+144 | | 17+50=19x+8 | | f+95=164 | | 6[3-2(3x/6(]=3x | | 95=164 | | -3p=p-10p-60 | | 7x+9=18x-79 | | 9-5(4u-1)=u+15 |