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)
x/10000+3.5 = 13.5-(X/10000) // - 13.5-(X/10000)
X/10000+x/10000-13.5+3.5 = 0
1/10000*X+1/10000*x-10 = 0 // - 1/10000*X-10
1/10000*x = -(1/10000*X-10) // : 1/10000
x = (-(1/10000*X-10))/1/10000
x = 10000*(10-(1/10000*X))
x = 10000*(10-(1/10000*X))
| 6(3.2-1)=3.6 | | x/3-10=7 | | 7x+2-3x=18 | | 7x-2=-2x-2 | | (2y+5)(y+6)=-4(2y+5) | | 6x^2-13x=8 | | 35=4x | | 4+3x=2x+10 | | 20=(x-7)(x+4) | | 6x+4=25+3x | | 5(b-3)=4(b+1) | | 2x-8=-7x-62 | | (-2)-4= | | 4m-9=8m-21 | | 15m^2-7m=0 | | 10x^2-9y^2=20 | | 2/3+1/12 | | 9(10)2+5(3)= | | v=4/3*3.14*5*5*5 | | 5x-10+6x=-43 | | 10x^2+9y^2=20 | | -5x-2-1x=10 | | 1-6x+2x=13 | | x^2+2x+18=3 | | 3x+2/2x-7=0 | | 3X+4+X=20 | | 2+7x=3x-10 | | 6x-12=12x-3 | | 2X-9-6X=-29 | | 2k^2-24k-64=0 | | 10m-4=40 | | 4-X-5X=70 |