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)
(1/2)*x-400 = 5000 // - 5000
(1/2)*x-5000-400 = 0
1/2*x-5400 = 0 // + 5400
1/2*x = 5400 // : 1/2
x = 5400/1/2
x = 10800
x = 10800
| 2/7=35/h | | X+9-4x=-3x-3 | | g=2(2)+1 | | 4x+7-2x=-4 | | x+0.2x=53 | | 1/2-400x=5000 | | 4/5x=-141/35 | | g=2(0)+1 | | 10x-131=5x-6 | | 12/y=30/9 | | g=2(-1)+1 | | 7x+6=66 | | 6x-7+2x+8=x+5-2x+12 | | g=2(-2)+1 | | -3x+4=5x-8 | | (6x-1)/2=9 | | (x+12)(x-1)=2(x-6)-20 | | 6x+3*(-3)=9 | | 6x-1/2=9 | | -7.8x+2.4x=40 | | -4+4X=-16+13 | | 6*2+3y=9 | | 2x-5+4x+10=21 | | 24x^3+8x^2=100x^2+-28x | | -2(-4-3x)=-28 | | 6x+1=12-2x | | 7*log(3x)+3log(5x)=15 | | 20+9b=38 | | 7x-11+9=180 | | 18+3x=24+2x | | 3y+45=90 | | 1/2x-4=7/3 |