If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D in (-oo:+oo)
D-(8/(-2)) = 0
D+4 = 0
D+4 = 0 // - 4
D = -4
D = -4
| 5x+5=-122-8x | | 9123913x-123x^2=0 | | 3+2x-(-1-x)=-2+2x-x | | 2.3/100 | | 5i/9-3i | | 6x+194=15x-13 | | 0.23/100 | | 8-9x-3=94+7 | | 8x−7=5x+8 | | -5x^2-11x=0 | | 3x-11+x+37=2x+7 | | A=8+2x | | A=2x+8 | | 3(4-x)+5x=-2(2x-9) | | -6+x/2=-9 | | (y-5)-(y+4)=9y | | A=8x+2 | | 4c/4c | | A=8x+7 | | 8x+40+7y=180 | | 2x+7+x+37=3x-11 | | 4c=7/x | | 2(z-5)=7 | | 40=-4/7x | | 6(x+3)=5x+20 | | 6x+3y-10=180 | | sqrt(6x)=sqrt(8x+9)-3 | | 3-18=z/9 | | 7/4x | | [x+6]=[4x+4] | | 3(x-y)=2x | | [3x-1]=[2x-6] |