Combine like terms: 4-4z+5z-2+2z then solve

Question

Combine like terms: 4-4z+5z-2+2z then solve

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Eirian 2 weeks 2021-07-22T08:31:16+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-07-22T08:32:48+00:00

    Answer:

    3z+2

    Step-by-step explanation:

    0
    2021-07-22T08:32:54+00:00

    Answer:

    2 + 3z

    Step-by-step explanation:

    4 – 4z + 5z – 2 + 2z

    4 – 2 = 2

    -4z + 5z + 2z = 3z

    = 2 + 3z

    We don’t know what ‘z’ is, so that is the most that I can simplify it.

    4 – 4z + 5z – 2 + 2z

    = (4) + (-4z) + (5z) + (-2) + (2z)

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