EQUAZIONI FRAZIONARIE RICONDUCIBILI AD INTERE DI PRIMO GRADO N°2

1/3x = 4/(3x² – 6x)
1. impossibile
2. [Dominio: x ǂ 0 ; x ǂ 2] x = 6
3. [Dominio: x ǂ 0 ; x ǂ 3] x = 6
4. [Dominio: x ǂ 0 ; x ǂ 2] x = 3
8/x = 5/(x – 3)
1. [Dominio: x ǂ 0 ; x ǂ 3] x = 8
2. [Dominio: x ǂ 0 ; x ǂ 3] x = 24
3. impossibile
4. [Dominio: x ǂ 0 ; x ǂ 3] x = 5
6/(x² – 8x + 7) = 1/(x – 7)
1. [Dominio: x ǂ 1; x ǂ 7] x = – 5
2. impossibile
3. [Dominio: x ǂ 1; x ǂ 7] x = 5
4. [Dominio: x ǂ ± 1] x = 7
1/(x² – 16) = 1/(x + 4)
1. [Dominio: x ǂ ± 4] x = 5
2. [Dominio: x ǂ 4] x = 1
3. impossibile
4. [Dominio: x ǂ ± 4] x = 3
1/2x = 5/(2x – 6)
1. impossibile
2. [Dominio: x ǂ 0 ; x ǂ 3] x = – 4/3
3. [Dominio: x ǂ 0 ; x ǂ 3] x = – 3/4
4. [Dominio: x ǂ 0 ; x ǂ 6] x = 3
(1 – x)/(x – 1) = (1 – 3x)/(3x + 1)
1. impossibile
2. [Dominio: x ǂ – 3 ; x ǂ 1] x = – 1
3. [Dominio: x ǂ – 1/3 ; x ǂ 1] x = – 1
4. [Dominio: x ǂ – 1/3 ; x ǂ 1] x = 3
8/x = 9/x
1. [Dominio: x ǂ 0] x = – 8
2. [Dominio: x ǂ 0] x = 9
3. impossibile
4. [Dominio: x ǂ 0] x = 8
3/(x – 2) = 5/(x + 2)
1. [Dominio: x ǂ ± 2] x = 16
2. [Dominio: x ǂ ± 2] x = 8
3. impossibile
4. [Dominio: x ǂ ± 5] x = 8
2/(x – 7) = 6/(x² – 8x + 7)
1. [Dominio: x ǂ 1; x ǂ7] x = – 4
2. impossibile
3. [Dominio: x ǂ 1; x ǂ 7] x = 4
4. [Dominio: x ǂ – 1; x ǂ – 7] x = 4
1/(x² – 3x + 2) = 1/(x – 2)
1. [Dominio: x ǂ 1; x ǂ 2] x = – 1
2. impossibile
3. [Dominio: x ǂ 1; x ǂ 2] x = 0
4. [Dominio: x ǂ ± 2] x = 0