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anonymous

  • one year ago

Which expressions are equivalent to 4(4x + 2y + x − y)? 4(5x + 3y) and 20x + 12y 4(5x + y) and 20x + 4y 4(3x + y) and 12x + 4y 4(3x + 3y) and 12x + 12y

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  1. phi
    • one year ago
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    look at what is in the parens 4x + 2y + x − y that shows you have 4 x's plus 1 more x how many x's is that ? it also shows 2 y's take away 1 y. how many y's is that ?

  2. anonymous
    • one year ago
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    5 x 2 y

  3. anonymous
    • one year ago
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    well.. i should say.. 5 x's 2 y's

  4. phi
    • one year ago
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    ok but they are added so 5x+2y (I used 4 x's plus 1 more x to make it clearer what we are doing... but people just write 4x+1x= 5x )

  5. phi
    • one year ago
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    check that you have 2 y's take away 1 y. the answer is not 2y

  6. anonymous
    • one year ago
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    ok.

  7. anonymous
    • one year ago
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    is it B?

  8. phi
    • one year ago
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    can you redo the work for 4x + 2y + x − y

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