Question

2×+y=7
2×-y=7 ayudaaaa :(​

Answer 1

A. 2x+y=7

2x+y-7=7-7

2x+y-7=0

B. 2x-y=7

2x-y-7=7-7

2x-y-7=0

Answer 2

Respuesta:

¡Hola!

1)

$2 \times + y = 7$

$2y \div 2 = 7 \div 2$

$y = 3.5$

2)

$2 \times - y = 7$

$- 2y \div 2 = - 7 \div 2$

$y = - 3.5$