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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: Tim x biết A) 1/7 – 3/5x = 3/5 B) 2x + 3/24 = 3x – 1/32

Toán Lớp 7: Tim x biết
A) 1/7 – 3/5x = 3/5
B) 2x + 3/24 = 3x – 1/32

Comments ( 2 )

  1. a)
    1/7 – 3/5x = 3/5
    3/5x = 1/7 – 3/5
    3/5x = -16/35
    x = -16/35 : 3/5
    x = -16/21
    b)
    2x + 3/24 = 3x – 1/32
    3x – 2x = 3/24 + 1/32
    x = 5/32
    $☆Jυ丶¢нαи☆$

  2. Giải đáp:
     
    Lời giải và giải thích chi tiết: 1\7 -3\5x=3\5
    3\5x=1\7-3\5
    3\5x=-16\35
    x=-16\35:3\5
    x=-16\21

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222-9+11+12:2*14+14 = ? ( )