If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x+7 = 0
x+7 = 0
x+7 = 0
x+7 = 0 // - 7
x = -7
x in (-oo:-7) U (-7:+oo)
(6*x+8)/(x+7) = 0
6*x+8 = 0 // - 8
6*x = -8 // : 6
x = -8/6
x = -4/3
x = -4/3
| -7+(-6)= | | -390x+x^2+45000=0 | | 5(x-7)=-3x-27 | | X^3+.5x^2-10.5x-561=0 | | 7n-4n+10=5n-4 | | 7+f=19 | | -4(v-5)=0 | | -3x^2-180=0 | | 190=2w^2-1w | | -2x+6x+1=0 | | (5/(2x+3))+(4/(2x-3))=((14x+3)/(4x^2-9)) | | -12+6+0=0 | | 5t-7=4t | | 6b-5/8b-3b-4/6b | | f(x)=(x^2)(1-8x) | | 4x+7=62 | | y=r+2y-g | | P+14=18 | | -170=-10v | | 12+f=20 | | 8x+3x-2x-5=13 | | 15m=240 | | 2g=3b | | 15=4x-27 | | 266=-14b | | -(n+4)=5 | | -2x+12-3x=-6x-10 | | (x^3-x^2-62x+80)/(x+8) | | C/2-20=-20 | | 4r+5=15 | | 0=4x^2+5x-3 | | 2.5(4x+5)-2(2.5x+1.5)= |