math

4/13=-2b/13=6b/26

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  1. There is something wrong with that. Did you mean to type two = signs?

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    posted by Damon
  2. the second one is an addition sign

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  3. Hint: clear the fractions.

    4/13 = -2b/13 + 6b/26
    4 = -2b + 3b (multiplying both sides by 13)
    b = 4

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    posted by Max

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