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3p = 28
p = 9,3
2. 3k-7k = -8-12
-4k = -20
k = 5
3. -2a = -8
a = 4
3p = 24+4
3p = 28
p = =
2. 3k + 12 = 7k - 8
3k - 7k = -8 - 12
-4k = -20
k = 5
3. 8 - 2a = 0
-2a = -8
a = 4