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-20) = -2 // + 2
(1/4)*(x-20)+2 = 0
1/4*(x-20)+2 = 0
1/4*(x-20)+2 = 0
1/4*x-3 = 0
1/4*x-3 = 0
1/4*x-3 = 0 // + 3
1/4*x = 3 // : 1/4
x = 3/1/4
x = 12
x = 12
| m/8=8+1/3 | | s=16sqrt(3(7))+25 | | 7/4-2=-5 | | 21x^2-47x-88=0 | | m/8=81/3 | | -16t^2+128t-240=0 | | -2(u+6)+6u= | | 4/9*27/4 | | 4/9*27/9 | | 12x^2-62x-20=-100 | | 3/b+24=16 | | i=(788)(0.19)(10/12) | | 3/2x=8 | | 2+2x=-6 | | 12=-3(x+5) | | 5.6=3.7 | | -(a-3b+27)= | | 9x1/3 | | 8/4/9-27/4 | | 162x=88x-11x^2+30 | | 12y+10y+14=80 | | 84/9-27/4 | | 5/6=10y/3 | | 8n+3n=9+12n | | 2y-3x=y+x+1 | | 4g+2=3g+5 | | 2x+16-7x=-14 | | x=-7(2x+1) | | 80+4x+10+5x=360 | | -2(3x-2)+1=7 | | 3(1x+4)=8-0.5x | | 8n+3n=9+11n |