hasil perkalian silang 75(85 -x) = 90×65
Matematika
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Pertanyaan
hasil perkalian silang 75(85 -x) = 90×65
1 Jawaban
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1. Jawaban hendra447
6375-75x = 5850
6375-5850 = 75x
525=75x
x=525/75
x=7
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