If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
d/13 = 10 // - 10
d/13-10 = 0
1/13*d-10 = 0 // + 10
1/13*d = 10 // : 1/13
d = 10/1/13
d = 130
d = 130
| 56=-7y | | j-17+11+18-12=89 | | 250+2.8x=45 | | 2(15m+3)=3.5m-1 | | 10r=280 | | n+-8=-6 | | x^2-7x-17=-8x+3 | | 18s^2=50s | | 4x-8=82 | | 123=7x+5x+3 | | 3x^2-800=1400+2x^2 | | 2x(4+2)-9=15 | | 111111x+c-d=12 | | 2x-5x+5x= | | 125.6=9.42x^2+37.68x | | u-38=735 | | 18-5x=6-8x | | y+7=zfory | | x^2-7x+20=10 | | 13y+25x=38 | | 5-2x+7x=-10 | | (x-6-5i)(x-6+5i)=0 | | 5x-29=56 | | n+-14=-12 | | n^2=2.77 | | 42=3x+4x+7 | | 10x+60y=250 | | k+18=-25 | | 25/9=x/15 | | p/13=24 | | 7+x+x=31 | | 0.2x+x=240 |