Selesaikanlah 3k-(5k+7)=(8+2k)-3(2k-5)+30
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Selesaikanlah 3k-(5k+7)=(8+2k)-3(2k-5)+30
1 Jawaban
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1. Jawaban Anonyme
3k - (5k + 7) = (8 + 2k) - 3 (2k - 5) + 30
3k - 5k - 7 = 8 + 2k - 6k + 15 + 30
-2k - 7 = -4k + 53
-2k + 4k = 53 + 7
2k = 60
k = 60/2
k = 30