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)
36 = 12*(1/2)*x // - 12*(1/2)*x
36-(12*(1/2)*x) = 0
36-6*x = 0
36-6*x = 0 // - 36
-6*x = -36 // : -6
x = -36/(-6)
x = 6
x = 6
| 25=0.1x^3-x^2-5x+100 | | 7(3x-1)=2(5x+13) | | -[10z-(15z+10)]=10+(4z+3) | | (3x-4)+8=25 | | -2x(x-4)=7(x-4) | | 25=0.1x^3-x^2+100 | | (5x+1)(7x^2+3x+2)= | | .20(25-x)=x^2 | | 9x^2+179x+890=0 | | -3n-2n=-7(8n-5)+2(n+7) | | -6(k+1)-k-11=-7(k+5)+18 | | 5x^2(x^2+2xy-8y^2)= | | x=8+8 | | 5x^2*9x^4= | | 5+X=7-2X | | 180-x=270+3x | | (8/y)-(8/y-9)-9=0 | | 2g-2+4g-9+133=360 | | a(y-a)=ab+2b(y-b) | | -1x+10=-6 | | m-27/5-6m-14/4=2 | | (3x^2-4x-46)+(3x^2+7x)= | | a(y-a)=-ab+2b(y-b) | | 5x+10=-6 | | 5(x-10)=30x | | 2y=22-6x | | 2g-2+4g-9+130=360 | | 13n-24=2(n-1) | | 3.33= | | -(4x-5)-(7x-6)+8=-6(x-1)-(10x+5)+3 | | A=p(1+et) | | 6x+x^2=24 |