Решите систему: {log1/2 (x+y)=2 Log3 (x-y)=2

Question

Решите систему:
{log1/2 (x+y)=2
Log3 (x-y)=2

Answer 1

Х+у=(1/2)²
х -у=3²
(1)+(2)
2х=1/4+9
2х=9,25
х=4,625
у=1/4-4,625 = 0,25-4,625 = -4,375