Are 4x and 15 + x equivalent expressions? EXPLAIN I need help FAST!

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Are 4x and 15 + x equivalent expressions? EXPLAIN

I need help FAST!

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Thu Nguyệt 7 months 2021-07-18T00:03:55+00:00 1 Answers 9 views 0

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  1. Sapo1
    0
    2021-07-18T00:05:34+00:00
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    Answer:

    x=5

    Step-by-step explanation:

    Step 1: you want to have x alone on one side so I will subtract one x from both sides (to remove the 1 x on the right side). Now we’re left with 3x=15.

    Step 2: Divide both sides by 3 (to remove the 3 in front of 3x). Now we have x=5.

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