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)
(150-(4*x))/3 = 0
(150-4*x)/3 = 0
150-4*x = 0 // - 150
-4*x = -150 // : -4
x = -150/(-4)
x = 75/2
x = 75/2
| f(x)=2x^3-39x^2+216x+10 | | (2x+1)/3+(3x+4)/4=7(x+3)/10 | | 2x^2+4x-124=0 | | -7w+3(w+5)=-21 | | -31=5(v-3)-7v | | 11=-7x+3(x+5) | | 3x(4-5)=10 | | 3m-1+2m= | | y=1/6x-1/9 | | 6u-42=-4(u+3) | | 0.2p-3=-0.33333333p+5 | | -4(w+4)=3w+19 | | -4(1+8n)=-228 | | 2(u-6)-6u=4 | | -88=-8(5v+6) | | -7y+4(y+2)=38 | | 1.3n-4.7+6.5=7 | | (4x)/(x-9)=y | | 8(75-1.5y)+12y=600 | | y=3.6x+4 | | -30+X^2=6 | | 2(70-1y)+2y=70 | | 0.9n+5.2n=-17.0922 | | (70-1y)+y=70 | | 3x+6=30-5x | | E^2x=3.6 | | 10x+4=15x-4 | | 30/21D-14/21D=192 | | 6a+9b+20c=15 | | 6.25*1.6= | | 6a+9b+20c=146 | | 4x^2-31x+37=-8x+9 |