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)
(1/8)*d = -1 // + 1
(1/8)*d+1 = 0
1/8*d+1 = 0 // - 1
1/8*d = -1 // : 1/8
d = -1/1/8
d = -8
d = -8
| (4x+4)=(6x+2) | | 4y-8+6y=-4 | | -3/7n=-21 | | 3(2-y)-4=4-5(y+1) | | h-3=-4 | | -7/6r=28 | | x-1/2-x-2/4-x-4/8+1=5(3-x)/4+2x | | 2x^2+3x-120=0 | | 2x^2+3x(-119)=0 | | 20x-16=44 | | 1/3=5/y-3 | | 3(5q+3)+8=9+4q | | (3x+1)=(5x-3) | | n/3-2x=4 | | 3r^2-46r+120=0 | | 1/x-3+1/x+3=6/x^2-9 | | u^3=-2 | | x-0.10x=695000 | | (8x+3)=(9x-1) | | x-0.10x=700000 | | (18x-25)=(x+825) | | 24x^2+120x-185=0 | | (5b-2)=(2b+1) | | 4x+=3 | | (4x+23)=39 | | (QD)=110-5P | | (2x+1)=(x+8) | | 10+7y/4=5-y/3 | | 4x+12/2=3x-5 | | 1/2*b*8=10 | | 5x+8x-2=10 | | 2y=72-6x |