Question

k)
(x - 3=0
(2x - y = 1​

Answer 1

Resposta:

x - 3 = 0

2x - y = 1

x = 0 + 3

2x - y = 1

2 . ( 0 + 3 ) - y = 1

0 + 6 - y = 1

6 - y = 1

- y = 1 - 6

- y = - 5 . ( - 1 )

y = 5

x - 3 = 0

x = 0 + 3

x = 3

Answer 2

Boa pergunta, boa sorte