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)
1-((-12/3)*x)+9 = 0
4*x+1+9 = 0
4*x+10 = 0 // - 10
4*x = -10 // : 4
x = -10/4
x = -5/2
x = -5/2
| x+365=1036 | | 8/9-8i | | 32x/16 | | 15x^2-25x=5x | | x+9y=42 | | 6x^2-15xy=2xz-5yz | | x-170=4 | | 24=(1,750)(19/36)r | | 4x+14=7(x+2)-3x | | Y=-0.069ln(x)+0.2085 | | 1.33+6668547= | | x^2+10x-1+16=0 | | x^2+10xy+y^2-6=0 | | 7x^2+12x-16=2-3x | | 5(-31x+28)=-12(6+2x) | | z^2+9z=100 | | 9x^2+11x-12=9-9x | | 14.00*1.00=35 | | 6a=21 | | 4x^2+6x-3=9-7x | | 14x+30=-3-29x | | (b-4)(b-4)= | | 3x+2y=15solvey | | -6x+1+7x=-8+13 | | f(x)=ln(81sin^2(x)) | | 3n+2.8=6.7 | | 0.09x-0.021x-21002=322 | | -2x+4y-4=0 | | 412x-32-5x=31x+42 | | 3/17 | | 2L+21L-52=94 | | 4+5*67+67=67(1+56*67) |