Resposta :
[tex]x + y = 337000\\x - y = 43000\\\\x = 43000 +y\\(43000 +y) + y = 337000\\2y = 294000\\y = 147000\\x = 43000 + 147000\\x = 190000[/tex]
[tex]x + y = 337000\\x - y = 43000\\\\x = 43000 +y\\(43000 +y) + y = 337000\\2y = 294000\\y = 147000\\x = 43000 + 147000\\x = 190000[/tex]