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)
(2/5)*(5*k+35)-8 = 26 // - 26
(2/5)*(5*k+35)-26-8 = 0
2/5*(5*k+35)-26-8 = 0
2/5*(5*k+35)-26-8 = 0
2*k-12-8 = 0
2*k-20 = 0
2*k-20 = 0
2*k-20 = 0 // + 20
2*k = 20 // : 2
k = 20/2
k = 10
k = 10
| -3(5-12y)=-152 | | 6-5x=x+9 | | 3(logx)2-2.3(logx)-3=0 | | 11(-2a+2b-4c)-9(5a-7b+2c)= | | 10x=100.000 | | 5x+2=2y | | 12=40*I | | 11(2a+2b-4c)-9(5a-7b+2c)= | | 3h=-4z | | -y/5=100 | | x^4-144=7x | | 5x+3=265x-4 | | 23=d-17 | | 6(2x-3y)+10= | | 4/9x=27/8 | | 4x+2(3x-y)+4x+6y= | | x=3(e^(149/100)) | | x=3(e^149/100) | | 6(3a+1)-30=3 | | 7y-84=(2y+61) | | 13+-9= | | 2-3(2x-4)=4(6-x)-8 | | .5*8*h=94.5 | | x^2-1=5 | | 12-3(x+2-4x)=10x-(-5x+4)+22 | | 5(12c+125)=3500 | | 2*3.14*14*r=157 | | 3x+15+2x-10=180 | | -4(-3m-2)=327 | | -5x^2+6x+29=0 | | -2x^2+16x-24=8 | | x+(-2)=6 |