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17 September, 07:06

7 (x + 3) - 3 (4x + 9) = 14

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  1. 17 September, 07:09
    0
    -4

    Step-by-step explanation:

    Distribute the 7 and - 3 inside the parentheses

    7x + 3 - 12x - 2 7

    Combine like terms

    -5x - 6 = 14

    Isolate x by adding 6 to both sides

    -5x = 20

    Divide by - 5

    x = - 4
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