Kawaiizinhaaa Kawaiizinhaaa

28-08-2020
Mathematics

contestada

x+y=7
-x+y=-5

Quero a equação pelo método de adição, rápido u.u

Respuesta :

meredith48034 meredith48034

28-08-2020

Answer:

Step-by-step explanation:

x + y = 7

-x + y = -5

2y = 2

y = 1

x + 1 = 7

x = 6

(6, 1)

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