Question

Решите систему уравнений 2х-3у=5 х/2=у/3

Answer 1

2х-3у=5 
х/2=у/3 х= 2y / 3
2 ( 2y/3) - 3y = 5
4y-9y = 5*3
-5y = 15
y = -3
x = -3*2 / 3 = -2