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)
12-x = 3/4 // - 3/4
12-x-(3/4) = 0
12-x-3/4 = 0
45/4-x = 0 // - 45/4
-x = -45/4 // * -1
x = 45/4
x = 45/4
| 3(2x-4)=2x+8 | | 11.3= | | 9(x+4)=6(2x-2) | | (3y-8)(1-y)=0 | | (m-1)(m^2+m+1)=y | | 2n^2-10n+9= | | 2x^4=2x^3-24x^2 | | 2n^2-10n+9=0 | | 6(x-3)+20=3(7-x) | | 0.66666667(4x-7)=-2 | | (4n+6)(2n)=0 | | (4n+6)=(2n) | | 6c-7=4c+7 | | -10=-3-82 | | 2x+3=9+21x | | -5x+10=120+6x | | -32+2p=-4(1+3p) | | 6y^2-31y+14=0 | | 4(x-6)+24=2(12-x) | | 3(x-6)=2x-18+x | | 14y^2+27y-20=0 | | ln(x-5)-ln(x+3)=4 | | -0.8=0.13x+-0.21 | | -0.8=0.13x-0.21 | | 2=sinx*5 | | 3x=16+21x | | 1+3x-x=-1 | | 3x=580-120 | | 3(x-4)+1=x+9 | | sinx=2/5 | | 1/x=5.88 | | 11.50-1.75(4)= |