Solve question no. 6 and 8...
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Step-by-step explanation:
6 .
5n - 4 = 21
5n = 21 + 4
5n = 25
n = 5
7p + 8 = 22
7p = 22 - 8
7p = 14
p = 2
4p/12 = 2
4p = 24
p = 6
8.
p + 28 = 35
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hope it helps...........,
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