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26 August, 13:48

What is 2x + 5 = 15 - (-49) x 5

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  1. 26 August, 13:51
    0
    So, you do - 49 * 5 first because multiplication is before addition, which is - 245.

    15 - (-245) turns into addition, so the right side of the equation is 260.

    Move the 5 over. 260-5 = 255

    2x = 255, so x = 255/2 or 127.5
  2. 26 August, 14:14
    0
    2x + 5 = 15 - (-49) x 5

    combine like terms

    2x + 5 = 320

    subtract 5 from each side

    2x = 315

    divide by 2 on each side

    x = 157.5
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