Odpowiedź :
Hej!
7/(x + 1) = 3/(x + 5)
D : R \ {-5, -1}
7(x + 5) = 3(x + 1)
7x + 35 = 3x + 3
7x - 3x = 3 - 35
4x = -32 / : 4
x = -8 € D
Pozdrawiam!
Hej!
7/(x + 1) = 3/(x + 5)
D : R \ {-5, -1}
7(x + 5) = 3(x + 1)
7x + 35 = 3x + 3
7x - 3x = 3 - 35
4x = -32 / : 4
x = -8 € D
Pozdrawiam!