Answer:
Debra is 1
Explanation:
Let d = Debra
let p = Pamela
p = d +7
p+6 = 2(d + 6)
p + 6 = 2d + 12 Substitute in d+ 7 for p
d + 7 + 6 = 2d + 12
d + 13 = 2d + 12 Subtract d from both sides
13 = d + 12 Subtract 12 from both sides
1 = d
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