Question

(x+y) - (x-y) resultado porfavor ​

Answer 1

Respuesta:

(x+y)-(x-y) = 2y

(x+y)-(x-y)

= x+y-x-(-y)

= x+y-x+y

= (1-1)x+(1+1)y

= 0×x+2y

= 0+2y

= 2y