If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(1/5)*x+x+13 = 4-((1/10)*(x+40)) // - 4-((1/10)*(x+40))
(1/10)*(x+40)+(1/5)*x+x-4+13 = 0
1/10*(x+40)+x/5+x-4+13 = 0
(1/10*5*(x+40))/5+x/5+(5*x)/5+(-4*5)/5+(5*13)/5 = 0
1/10*5*(x+40)+x+5*x-4*5+5*13 = 0
3/2*x+5*x-20+20+65 = 0
13/2*x-20+20+65 = 0
13/2*x+65 = 0
(13/2*x+65)/5 = 0
(13/2*x+65)/5 = 0 // * 5
13/2*x+65 = 0
13/2*x+65 = 0 // - 65
13/2*x = -65 // : 13/2
x = -65/13/2
x = -10
x = -10
| 40+7.50d=12.50 | | 16+3y=8+y | | 0.5m-8=5.5+4 | | 15+5r=45 | | 13+.25=-3 | | 4x-5(2x+1)=15 | | -1t+2=12 | | 20-2/10d=3/10d+16 | | -10=4x-10 | | 4n-17=8 | | 1200=150m+450 | | 2-d-2/10d=3/10d+16 | | 4x+3x=9x-4 | | -3/4r=1 | | x^211= | | 2x-5(-6x+16)=176 | | 3(x+4)=10 | | 76=19x | | 84=-20x+44 | | 52+127+c+d=360 | | 42/35=6/x | | -10(8+x)=150 | | 65.25*x=326.25 | | -40=-7x+2(6x-5) | | 3/12n+10=8/12n | | 6x+2+3y-4=14 | | 3/2x+12=-24 | | 2(x-1/2)=8+2x | | -9.5+(3.7)= | | 4x-9=8x-18 | | 3/2x | | 3(-4)=9-(-3) |