6/(a + 2) = 9/(2a - 1)
6(2a - 1) = 9(a + 2)
2(2a - 1) = 3(a + 2)
4a - 2 = 3a + 6
4a - 3a = 6 + 2
a = 8
Penjelasan dengan langkah-langkah:
Pb L S V
6 = 9
a + 2 2a – 1
••••kali silang ••••
6(2a – 1) = 9(a + 2)
12a – 6 = 9a + 18
12a – 9a = 6 + 18
3a = 24
a = 24
3
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6/(a + 2) = 9/(2a - 1)
6(2a - 1) = 9(a + 2)
2(2a - 1) = 3(a + 2)
4a - 2 = 3a + 6
4a - 3a = 6 + 2
a = 8
Penjelasan dengan langkah-langkah:
Pb L S V
6 = 9
a + 2 2a – 1
••••kali silang ••••
6(2a – 1) = 9(a + 2)
12a – 6 = 9a + 18
12a – 9a = 6 + 18
3a = 24
a = 24
3
a = 8