Question

explicar paso a paso


X+ y = -9
2x+2 y = 1​

Answer 1

Respuesta:

X+ y = -9

= x+y+9 = -9+9

= x+y+9 = 0

Explicación paso a paso:

2x+2 y = 1​

= 2x+2y-1 = 1-1

= 2x+2y-1 = 0