Jumat, 30 Maret 2018
Rabu, 28 Maret 2018
Senin, 26 Maret 2018
Minggu, 25 Maret 2018
Persamaan
2b = 2 + c
6 = 2 + c
-c = 2 - 6
c = 4
3a + 12 = 12 + 36 + d + e
3a - d - e = 36
a = 3c + d
a = 12 + d
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