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11 October, 14:44

What is x? 3x+43=100

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Answers (2)
  1. 11 October, 14:50
    0
    x = 19

    Step-by-step explanation:

    Solve for x:

    3 x + 43 = 100

    Subtract 43 from both sides:

    3 x + (43 - 43) = 100 - 43

    43 - 43 = 0:

    3 x = 100 - 43

    100 - 43 = 57:

    3 x = 57

    Divide both sides of 3 x = 57 by 3:

    (3 x) / 3 = 57/3

    3/3 = 1:

    x = 57/3

    The gcd of 57 and 3 is 3, so 57/3 = (3*19) / (3*1) = 3/3*19 = 19:

    Answer: x = 19
  2. 11 October, 15:02
    0
    x = 19

    Step-by-step explanation:

    3x+43 = 100

    Subtract 43 from both sides.

    3x+43 = 100

    -43 - 43

    Then, divide 3 to both sides.

    3x = 57

    3 3

    x = 19
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