If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( q )
q = 0
q = 0
q = 0
q in (-oo:0) U (0:+oo)
2/q-3 = 0
2*q^-1 = 3 // : 2
q^-1 = 3/2
-1 < 0
1/(q^1) = 3/2 // * q^1
1 = 3/2*q^1 // : 3/2
2/3 = q^1
q = 2/3
q = 2/3
| -2.3y=-5.3y+2.1 | | 15+.25x=30+.15x | | -2.5+-0.5x= | | 3x=23-5y | | 2(5k+1)-27= | | -21+-20x+25x(x)=0 | | xy+6x+2y+12= | | 7x-3y-9=30 | | 2b+6=-b+6 | | 225=2l+2w | | -21+-20x+25x(25x)=0 | | (3y^5)(-2y^3)= | | 3y^2-2x=5 | | 3(4c^2-7c+4)=1 | | 15+7y=25+2y | | 6y-4x=-18 | | H-26/-13=-25 | | 11x+6y=99 | | 5.8=-logH | | 12x^2-28x-3=0 | | 3(4s+2)=32-7s | | 9(4c+3)=15 | | 4v^2-12v=0 | | s=-25+8*37 | | -3v-2+7=19 | | p(2p+3)+18=2p(p-3) | | 16h-7h-2h= | | -8-7(1+4r)=29 | | (5-v)(4v+9)=0 | | 5m-2=7m | | x^2+44x+316= | | 25=3a-4a |