Question

Solve by the substitution method: p – q = 6 and p + q = 12.​

Answer 1

Answer:

p=9 , q=3

Step-by-step explanation:

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Answer 2

Answer:

p=9

q=3

Step-by-step explanation:

p-q=6

p+q=12

2p=18

p=9

p+q=12

9+q=12

q=12-9

q=3