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6 October, 10:37

Solve for x. 3x+1/14=2x/8

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  1. 6 October, 12:00
    0
    It depends if it is

    1. 3x + (1/14) = (2x) / 8 or

    2. (3x+1) / 14 = (2x) / 8

    if it is 1

    1.

    3x + (1/14) = 2x/8

    simplify 2x/8

    2x/8=x/4

    3x + (1/14) = x/4

    find least common multiple of 14 and 4

    factors of 14=2 and 7

    factors of 4 are 2 and 2 so LCM=2 times 2 times 7=28

    multiply both sides by 28

    84x+2=7x

    subtract 7x from both sides

    77x+2=0

    subtract 2 from both sides

    77x=-2

    divide both sides by 77

    x=-2/77

    2.

    (3x+1) / 14=2x/8

    simpify 2x/8

    2x/8=x/4

    (3x+1) / 14=x/4

    find least common multiple of 14 and 4

    factors of 14=2 and 7

    factors of 4 are 2 and 2 so LCM=2 times 2 times 7=28

    multiply both sides by 28

    (2) (3x+1) = 7x

    distribute

    6x+2=7x

    subtract 6x from both sides

    2=x
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