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)
(-3/4)*(x+2) = 0
-3/4*(x+2) = 0
( -3/4 )
-3/4 = 0
x belongs to the empty set
( x+2 )
x+2 = 0 // - 2
x = -2
x = -2
| 3(11-2x)=45 | | (9c+3b)= | | (4d+12)= | | -3+x=148 | | 2(5x+3)=52 | | 49=37-x | | x+x-4=26 | | x+x-4+12=26 | | x+x+4+12=26 | | x^2+y^2+6y=4 | | 4x+21=15 | | x-15=202 | | 5y=-2x | | 2+2w=-8 | | 7.5+4+x+x=2+x+x+9.5 | | 4x-7x+4=3x+2x-1 | | x(x-1)(x-2)(x-3)-24=0 | | 0=3x^3-x^2-6x+2 | | x(x-1)(x-2)(x-3)=0 | | 0=12x^3-3x^2+16x-4 | | 2y+1=3y-7 | | 0=9x^2+42x+49 | | q=30-4p | | 10x^2-53x-11=0 | | x=log(13) | | x(x+7)=84 | | 4.75+x+x=2+x+x+3.50 | | 5k+14=3k-7 | | 5/6÷8= | | 45*x-6=50*x-6 | | 2*(3x+3)=18 | | 45x-6=50x-6 |