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)
600-((3/4)*x) = 3*x // - 3*x
600-((3/4)*x)-(3*x) = 0
(-3/4)*x-3*x+600 = 0
600-15/4*x = 0 // - 600
-15/4*x = -600 // : -15/4
x = -600/(-15/4)
x = 160
x = 160
| 4v=-32 | | 11x+9=10x+18 | | 2(x+-3)=(x+-1)+7 | | 44-44x-75(1-x)=25 | | 3X+5(-x+729)=2715 | | f(x)=x^3-12x^2+35x-24 | | 64x=512 | | 19v+6=2(5+7v)-4 | | 44-44*x-75*(1-x)=25 | | 20/3x=140 | | 81a^2b^4-c^6=0 | | 3t^2+12t=0 | | 28-3c=4c | | h(x)=6x^3-3x^2+12 | | x-3*y=6 | | 1+1+1+1+1+1+1+1+1+1+1+1*0+1=x | | 3x+30=3x-50 | | 7+91x=39x+15 | | 16=2l+w(2) | | 111x-55=x | | 3x+18=5x-20 | | 16p=2l+w(2) | | 110x-55=x | | 9(v+1)-3v=3(2v+2)-13 | | -3z=2z-1 | | h(x)=8x^4+4x^3-10x+15 | | 55x-110=x | | Iz-3I=2z-10 | | 10x-25y=0 | | 3x-15=2x+2 | | 2(6+8)-9=15 | | (4+x)-7=(7xy)-3 |