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26 November, 04:16

Solve the equation 1.2 (3x-5) = 1.5 (2.4x-4)

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Answers (1)
  1. 26 November, 05:14
    0
    Reorder the terms:

    1.2 (-5 + 3x) = 1.5 (2.4x + - 4)

    (-5 * 1.2 + 3x * 1.2) = 1.5 (2.4x + - 4)

    (-6 + 3.6x) = 1.5 (2.4x + - 4)

    Reorder the terms:

    -6 + 3.6x = 1.5 (-4 + 2.4x)

    -6 + 3.6x = (-4 * 1.5 + 2.4x * 1.5)

    -6 + 3.6x = (-6 + 3.6x)

    Add '6' to each side of the equation.

    -6 + 6 + 3.6x = - 6 + 6 + 3.6x

    Combine like terms: - 6 + 6 = 0

    0 + 3.6x = - 6 + 6 + 3.6x

    3.6x = - 6 + 6 + 3.6x

    Combine like terms: - 6 + 6 = 0

    3.6x = 0 + 3.6x

    3.6x = 3.6x

    Add '-3.6x' to each side of the equation.

    3.6x + - 3.6x = 3.6x + - 3.6x

    Combine like terms: 3.6x + - 3.6x = 0.0

    0.0 = 3.6x + - 3.6x

    Combine like terms: 3.6x + - 3.6x = 0.0

    0.0 = 0.0

    Solving

    0.0 = 0.0

    Couldn't find a variable to solve for.

    This equation is an identity, all real numbers are solutions.
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