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9 September, 08:18

7c? - 17 = 6c - 15

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Answers (2)
  1. 9 September, 09:04
    0
    Reorder the terms:

    -17 + 7c = 6c + - 15

    Reorder the terms:

    -17 + 7c = - 15 + 6c

    Solving

    -17 + 7c = - 15 + 6c

    Solving for variable 'c'.

    Move all terms containing c to the left, all other terms to the right.

    Add '-6c' to each side of the equation.

    -17 + 7c + - 6c = - 15 + 6c + - 6c

    Combine like terms: 7c + - 6c = 1c

    -17 + 1c = - 15 + 6c + - 6c

    Combine like terms: 6c + - 6c = 0

    -17 + 1c = - 15 + 0

    -17 + 1c = - 15

    Add '17' to each side of the equation.

    -17 + 17 + 1c = - 15 + 17

    Combine like terms: - 17 + 17 = 0

    0 + 1c = - 15 + 17

    1c = - 15 + 17

    Combine like terms: - 15 + 17 = 2

    1c = 2

    Divide each side by '1'.

    c = 2

    Simplifying

    c = 2
  2. 9 September, 10:53
    0
    Move the 6c over to the 7c side

    1c - 17 = - 15

    Then move the - 17 over to the - 15 side

    C=2
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