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)
3*x+x+22/7+11/4 = 12 // - 12
3*x+x+22/7+11/4-12 = 0
4*x-171/28 = 0 // + 171/28
4*x = 171/28 // : 4
x = 171/28/4
x = 171/112
x = 171/112
| y=3x^3-14x^2+15x | | 4x-21=x-8 | | 3x^3-14x^2+15x=y | | 5x+7=28 | | 3(x+5)=-2(x-5) | | 4p-2(2-3p)=6(p-6)-36 | | -[8z-(14z+1)]=1+(5z+0) | | 0=x^2-4.75x+3 | | 10x^2+5-7x-6x^2-13x= | | 2*(4x-3)=3x-5 | | x^2-4.75-24=0 | | 6(x-6)-8(x+2)=-10 | | 6x-15=9+3x | | 13x+17y=19 | | 2x+10=6+4x | | -7(x+4)+4x+7=8x+6 | | 7/60=a | | 2x-16=-128 | | 1.4(x)=2x-3 | | 2/5*7/-6*-7=a | | .5(x)=2x-3 | | x+18=106 | | 2/5*7/-6*-7 | | -1(x)=2x-3 | | 1(x)=2x-3 | | 4/-6+2=-1 | | 3(x)=2x-3 | | 3(6x-4)-4(x+7)=6x-96+x | | 4(4x+1)=3x-4(6-x)8 | | 2.75(x)=2x-3 | | -7(x-2)=-4 | | 0.86=exp(-6.2831*f) |