MA112

How do I factor both sides of this equation
ad-bd=bc-bd

I tried a/b =c/d that was wrong

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asked by Dawn
  1. Look at the common factors on both sides

    d(a-b) = b(c-d)

    What you want to do now is unclear, but go for it.

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    posted by Steve
  2. Yes Steve it's correct

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    posted by Dawn
  3. So for this next equation
    (a-b )d = b(c- d )
    d=[ ]
    can I divide both sides is this equation by a-b would it safe t0 say d=db

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    posted by Dawn
  4. You divide both sides by (a-b), not by a - b

    d = b(c-d)/(a-b)

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    posted by Damon

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