Penjelasan dengan langkah-langkah:
2. a) 5x + 3x + y - 2y
b) a + 3a - 4b + 8b + 7
c) x² + 8x² + 9x + x
d) -7a + 2a + 2b + 6b
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Penjelasan dengan langkah-langkah:
2. a) 5x + 3x + y - 2y
b) a + 3a - 4b + 8b + 7
c) x² + 8x² + 9x + x
d) -7a + 2a + 2b + 6b