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2 votes
X+y=7
-x+y=-5

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

User Ted Betz
by
5.1k points

1 Answer

5 votes

Answer:

Explanation:

x + y = 7

-x + y = -5

2y = 2

y = 1

x + 1 = 7

x = 6

(6, 1)

User Brian Riehman
by
4.7k points