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21-08-2019
Mathematics

contestada

Simplify (x - y + 1) - (x + y - 1).

A.) 2x - 2y + 2
B.) -2y + 2
C.) o zy-2
D.) 2x + 2y

Respuesta :

Gasaqui Gasaqui

21-08-2019

Answer:

option b

Step-by-step explanation:

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

x - y + 1 - x - y + 1

-2y +2

Answer Link

Аноним Аноним

21-08-2019

Answer:

B.) -2y + 2.

Step-by-step explanation:

(x - y + 1) - (x + y - 1) First remove the first brackets and distribute the negative over the second set of brackets:

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

= -2y + 2.

Answer Link

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