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-99 = 4*(x/18) // - 4*(x/18)
x-(4*(x/18))-99 = 0
x+(-2/9)*x-99 = 0
7/9*x-99 = 0 // + 99
7/9*x = 99 // : 7/9
x = 99/7/9
x = 891/7
x = 891/7
| 9=9-6b | | (6x+2)(4k-3)=0 | | LNx=2.5 | | ln(x)=2.5 | | 2x+6=15x-12 | | 8/9-5n/9=23/9 | | 8x+9-2x=-45 | | y=7/4x+b | | y=7/4+b | | 3cot^2x-1=0 | | 3x^2+18x+2y-9=0 | | 3x^1/2.4x^3/2/2x^3 | | .40x+.05(12-x)=.10(-29) | | x-3/2-x=1/2 | | 8(3x-8)=2(12x+1) | | 2-(x+1)=3x-3 | | 3x^2+12/5x^2-20 | | (x+1)=1-3x | | 4a-6a+1= | | 3(x+4)=x-4 | | 4x^3-11x-3x=0 | | 0.2y=0.56 | | 3x=x-25 | | z^2+(1+i)z+5i=0 | | 240=(x+14)*x | | 2*2+8x+8= | | 2.5x+y=28000 | | 2.5+y=28000 | | 75x^2+50x=-8 | | -5x-2=6 | | 3y-9=11 | | 4x-125=85-6x |