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)
(-1/4)*x+31/2 = -5/8 // + -5/8
(-1/4)*x+31/2-(-5/8) = 0
(-1/4)*x+31/2+5/8 = 0
129/8-1/4*x = 0 // - 129/8
-1/4*x = -129/8 // : -1/4
x = -129/8/(-1/4)
x = 129/2
x = 129/2
| 4/12=x+2/2x+13 | | 0=8n^2+2n | | .03w-.8(w-0.62)=40 | | 4/12=2x+13 | | -7x-18=-144 | | 2x+62=5x-7 | | 2x+6x=5x+-7 | | 2x+6z=5x-7 | | 3x-1+2x=4 | | -3(k-2)-(-6k-4)=-2 | | 49-6x=21x+19 | | 8n+25=9n | | 5n^3-10n^2+3n-6= | | 13-7x=53-21x | | 6.7a-13.4=2.8a+110.23 | | (2x+3y)+(3x-y+2)=80 | | 112-2x=16x+20 | | 2x+3y=40 | | 2x+8=x+12 | | 2x+3z=22 | | y=x*8+30 | | 50=5(4-4x) | | a(a-2)-a=a(a+1)-8 | | 2(2x^3+3)=0 | | 6y+6=29 | | 2x-x+4,5=8,5 | | 6x+69=13x-8 | | 2x+31=10-49 | | x-30/8=x-102/2 | | -5x+2=x+8 | | x-102/2 | | 3x+60=7x+25 |