Question:

Algebra question plez help!?

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1/3y+1/4=5/12

solve for y

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4 ANSWERS


  1. y equals 1/2


  2. 1/3y + 1/4 = 5/12  Multiply both sides by 12 to get

    12(1/3)y + 12(1/4) = 12(5/12)

    4y + 3 = 5   Subtract 3 from both sides

    4y = 2  Divide both sides by 4

    y = 1/2


  3. (1/3)y + 1/4 = 5/12 (multiply equation by least common denominator to get rid of fractions, which is 12)

    4y + 3 = 5 (subtract 3 from both sides)

    4y = 2 (divide both sides by 4)

    y = 1/2 <===ANSWER

  4. Change equations so denominators are the same.

    1/3y turns to 4/12y (multiply by 4)

    1/4 turns to 3/12 (multiply by 3)

    Now all denominators are the same.

    4/12y + 3/12 = 5/12

    Subtract 3/12

    4/12y = 2/12

    Multiply both sides by 12 to get rid of denominator

    4y = 2

    Divide by 4

    y = 2/4 or 1/2

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