If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
6*x+9 = 0
6*x+9 = 0
6*x+9 = 0
6*x+9 = 0 // - 9
6*x = -9 // : 6
x = -9/6
x = -3/2
x in (-oo:-3/2) U (-3/2:+oo)
(x-3)/(6*x+9) = 0
x-3 = 0 // + 3
x = 3
x = 3
| -3.33=1.5v | | 33/7+23/8 | | (x^15y)(x^14y^5)= | | (1/5x)-(1/4x)+(1/3x)=-17/60 | | x-3/6x+9 | | 8(x+5)=3(x-7) | | 3x+y=120 | | 99-(7x+10)=7(x+2)+x | | x=(11-16)(11-16) | | 5y^3+3y^2-20y=12 | | 5x-(3x-6)=20 | | x=(11-16)+(3+13) | | 1/3x^2+1/15x-1=0 | | A/9-a/5=4/3 | | -3p+7=5-(6p+3) | | -5(4y-6)-y=-2(y-5) | | 3x+8y+(-8y)+(6x)= | | ba+5=3a | | 9(x+5)-80=100 | | 3g+4y=1+6g | | 6x^3(a-b)+x(b-a)= | | ab+5=3a | | ba+5=3b | | 22=60/y | | 320=R+RXT | | 3b+y=5+5b | | 3(x-21)=12x | | k-18=-34 | | 320=R+(R+5+3) | | -(-6y-6z-7)= | | 9a^2-12a-4=0 | | 17=3z+1 |