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Matematika
Ayunisrilandari11
Pertanyaan
tolong bantuin yaaaa plissss
1 Jawaban
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1. Jawaban 1dhoWNM
1. C karena a + 3 = 59 + 3 = 62
a + 3 + 2a = 180
a + 2a = 180 - 3
3a = 177
a = 177/3
a = 59
2. B karena , 3x + 5 = 3(9) + 5 = 32
6x + 4 + 3x + 5 = 90
6x + 3x = 90 - 4 - 5
9x = 81
x = 81/9
x = 9
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