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)
4-(x/(-1)) = 0
x+4 = 0
x+4 = 0 // - 4
x = -4
x = -4
| 5x+-3=3x+1 | | 7/9=g | | 24-8x=11+5x | | 6n+2(n-3)=18 | | 4/9=g | | cos-0.5=0 | | 4(3x-1.3)=2x-5.2 | | s^2-12s=-32 | | 2a+5=-(3a-7) | | 8-6n=-64 | | 3n^3=6n | | x=ln(3x^2) | | 12/15x=2/5 | | 2x-15y=450 | | 13y-10y-13=22.25 | | 2-15y=450 | | 2y+18+26=4q+2 | | 35+0.25x=17+0.40x | | 45/69 | | k(x)=2x+3x+2 | | 2y+18+26=49+2 | | 3n+9=2n-1 | | 360=(x)(2x+6) | | 2+4x^2=8 | | 16(-t^2+t+6)=0 | | f(x)=4x(2)-24x | | 5x-2(2x)=3 | | 3x^2-5-12=0 | | 22x-25x=8-11 | | 3c^2+13c+4=0 | | 16+6k=1+k | | (t+7)(t-2)= |