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15 September, 12:42

What is (6x-3) + (8x-14) ?

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  1. 15 September, 16:28
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    Move all terms containing x to the left, all other terms to the right.

    Add '-8x' to each side of the equation.

    3 + 6x + - 8x = - 14 + 8x + - 8x

    Combine like terms: 6x + - 8x = - 2x

    3 + - 2x = - 14 + 8x + - 8x

    Combine like terms: 8x + - 8x = 0

    3 + - 2x = - 14 + 0

    3 + - 2x = - 14

    Add '-3' to each side of the equation.

    3 + - 3 + - 2x = - 14 + - 3

    Combine like terms: 3 + - 3 = 0

    0 + - 2x = - 14 + - 3

    -2x = - 14 + - 3

    Combine like terms: - 14 + - 3 = - 17

    -2x = - 17

    Divide each side by '-2'.

    x = 8.5
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