-8p + 10q – 9r dari 15p + 18q – 17
= 15p + 18q – 17
– (-8p + 10q – 9r)
= 15p + 18q – 17 + 8p – 10q + 9r
= 15p – 10p + 18q – 10q + 9r – 17
= 5p + 8q + 9r – 17
= 15p + 18q – 17
– (-8p + 10q – 9r)
= 15p + 18q – 17 + 8p – 10q + 9r
= 15p – 10p + 18q – 10q + 9r – 17
= 5p + 8q + 9r – 17
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Originally posted 2022-06-05 10:02:58.