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If p + q + r = 4 and -p + q + r = 2, then p=? (A) -2 (B) -1 (C) 0 (D) 1 (E) 2
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If p + q + r = 4 and -p + q + r = 2, then p=?

(A) -2
(B) -1
(C) 0
(D) 1
(E) 2

User Yves
by
8.2k points

1 Answer

0 votes

Answer:

D

Explanation:

by subtraction of these 2 equation,

2p = 2

p = 1

User Jonathan Stellwag
by
7.7k points
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