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14 May, 15:21

3x - [3 + {x - (3+x) }] = 5 + 2x

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Answers (2)
  1. 14 May, 15:42
    0
    x = 5.

    Step-by-step explanation:

    3x - [3 + {x - (3+x) }] = 5 + 2x

    We simplify the parentheses, working from the inner parentheses 'outwards'.

    3x - [3 + {x - (3+x) }] = 5 + 2x

    3x - [3 + {x - 3 - x} ] = 5 + 2x

    3x - [ 3 + x - 3 - x ] = 5 + 2x

    3x - 0 = 5 + 2x

    3x - 2x = 5

    x = 5 (answer).
  2. 14 May, 15:45
    0
    3x - [3+{x-3-x}] = 5 + 2x

    3x - [3-3] = 5 + 2x

    3x - 2x = 5

    x = 5
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