If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( j )
2*j+1 = 0
2*j+1 = 0
2*j+1 = 0
2*j+1 = 0 // - 1
2*j = -1 // : 2
j = -1/2
j in (-oo:-1/2) U (-1/2:+oo)
(4*j+8)/(2*j+1) = 0
4*j+8 = 0 // - 8
4*j = -8 // : 4
j = -8/4
j = -2
j = -2
| 3(4b-10)=1/2(24b+60) | | -5(x+1)-10=22+8 | | 2w+28+12w=-14 | | 2(5y-3)=4y | | y-9=-8 | | (-2)/(x^3)=0 | | -2x=-4x+16 | | .42w^2-.04w=.28 | | 8x^2=81 | | .42w*.42w-.04w=.28 | | -8a=128 | | 2x=-2x+24 | | 9k/65 | | p/10=-19 | | 3(6s+12)-(10s)=0 | | -2x=-3x+5 | | 0.6x-0.4=0.5x+6 | | -4y=2x-12 | | (22+2x)(30+2x)=2100 | | -9=3x-6 | | t-6=12 | | w-7=14 | | x^2+11x+18=44 | | y=1/3*x+1 | | 224-4x=32x+16 | | (X^2/3)-(x^-1/3) | | 3+y=14 | | -4x=-15 | | 4x^2-7x+6=-2x+5 | | Y=1/3x+1 | | w^2+8w-65=0 | | -78-10X=10X |