EQUAZIONI FRAZIONARIE RICONDUCIBILI AD INTERE DI PRIMO GRADO N°1

(x +1)/(x – 2) = x/(x – 1)
1. impossibile
2. [Dominio: x ǂ 1 ; x ǂ 2] x = 0,5
3. [Dominio: x ǂ – 2 ; x ǂ 1] x = 0,5
4. [Dominio: x ǂ 0] x = 1
4/x = 3/(x – 3)
1. [Dominio: x ǂ 0 ; x ǂ 3] x = 12
2. [Dominio: x ǂ 0 ; x ǂ 3] x = 12/7
3. impossibile
4. [Dominio: x ǂ 0 ; x ǂ 4] x = 12
1/(x² – 4) = 1/(x – 2)
1. [Dominio: x ǂ ± 2] x = – 1
2. impossibile
3. [Dominio: x ǂ 2] x = 1
4. [Dominio: x ǂ ± 1] x = 2
1/(x² – 9) = 1/(x + 3)
1. [Dominio: x ǂ ± 3] x = 4
2. [Dominio: x ǂ 3] x = 1
3. impossibile
4. [Dominio: x ǂ ± 3] x = 2
3/(x + 2) = 4/(x + 1)
1. impossibile
2. [Dominio: x ǂ – 2 ; x ǂ 1] x = 5
3. [Dominio: x ǂ 1] x = – 5
4. [Dominio: x ǂ – 2 ; x ǂ – 1] x = – 5
1/x = 7/(x – 6)
1. impossibile
2. [Dominio: x ǂ 0 ; x ǂ 6] x = – 6
3. [Dominio: x ǂ 0 ; x ǂ 6] x = – 1
4. [Dominio: x ǂ 0 ; x ǂ – 6] x = 1
6/x = 4/(x – 1)
1. [Dominio: x ǂ 0 ; x ǂ – 1] x = 3
2. [Dominio: x ǂ 0 ; x ǂ 1] x = 3
3. [Dominio: x ǂ 0] x = – 3
4. impossibile
(1 – x)/(x – 1) = (1 – 2x)/(2x + 1)
1. impossibile
2. [Dominio: x ǂ – 2 ; x ǂ 1] x = – 1
3. [Dominio: x ǂ – 1/2 ; x ǂ 1] x = – 1
4. [Dominio: x ǂ 0] x = 1
5/x = 7/x
1. [Dominio: x ǂ 0] x = – 2
2. [Dominio: x ǂ 2] x = 0
3. impossibile
4. [Dominio: x ǂ 0] x = 2
3/(x – 1) = 2/(x + 1)
1. [Dominio: x ǂ ± 1] x = 5
2. [Dominio: x ǂ ± 1] x = – 5
3. impossibile
4. [Dominio: x ǂ 1] x = – 5