20 (30 - n) = (20x 30) - (20 x 25) n =
Matematika
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Pertanyaan
20 (30 - n) = (20x 30) - (20 x 25) n =
1 Jawaban
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1. Jawaban lilyrtfs
600-20n = 600 - 500n
600-600 = 500n - 20n
0 = 480 n
n = 0