carlosmucuri20pbd05m 15/10/2013 8y + 6x =72 - 4y- 6x = - 48 4y = 24y = 24/4y = 68 . 6 + 6x = 7248 + 6x = 726x = 72 - 486x =24x = 24/6x = 4resposta:x = 4 e y = 6
carlosmucuri20pbd05m
8y + 6x =72
- 4y- 6x = - 48
4y = 24
y = 24/4
y = 6
8 . 6 + 6x = 72
48 + 6x = 72
6x = 72 - 48
6x =24
x = 24/6
x = 4
resposta:
x = 4 e
y = 6