3 years ago

X+y=7 -x+y=-5 Quero a equação pelo método de adição, rápido u.u

Mathematics

1 answer:

TEA [102]3 years ago

5 0

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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