2 Expand and simplify 6(a+3) – 4(1 – 3a)

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2
Expand and simplify
6(a+3) – 4(1 – 3a)

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Dulcie 4 years 2021-09-01T03:40:11+00:00 1 Answers 12 views 0

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  1. Vodka
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    2021-09-01T03:41:38+00:00
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    Answer:

    (6a + 18)+(-4 +12a)

    6a +12a + 18 -4 = 18a + 14

    18a +14 = 0

    18a = -14

    a = -0/7 ~ -0/8

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )