Jawab:
Penjelasan dengan langkah-langkah:
p = 4l - 7
k = 2(p+l) = 2(4l - 7 + l) = 2(5l - 7)
56 = 10l - 14
10l = 56 + 14
= 70
l = 7
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Jawab:
Penjelasan dengan langkah-langkah:
p = 4l - 7
k = 2(p+l) = 2(4l - 7 + l) = 2(5l - 7)
56 = 10l - 14
10l = 56 + 14
= 70
l = 7