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24 December, 18:49

How do i solve 12+4x=30+12

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  1. 24 December, 19:07
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    x = 15/2

    Step-by-step explanation:

    Solve for x:

    4 x + 12 = 42

    Subtract 12 from both sides:

    4 x + (12 - 12) = 42 - 12

    12 - 12 = 0:

    4 x = 42 - 12

    42 - 12 = 30:

    4 x = 30

    Divide both sides of 4 x = 30 by 4:

    (4 x) / 4 = 30/4

    4/4 = 1:

    x = 30/4

    The gcd of 30 and 4 is 2, so 30/4 = (2*15) / (2*2) = 2/2*15/2 = 15/2:

    Answer: x = 15/2
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