Answer:
p =11, q = 3
Step-by-step explanation:
p-q=8
2p-q =19
Multiply the first equation by -1
-p+q = -8
Add this to the second equation
-p+q = -8
2p-q =19
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p = 11
Now we can find q
p -q = 8
11 -q = 8
Subtract 11 from each side
11-11-q = 8-11
-q = -3
q =3
