Math

Find the measure of the sides of an equilateral (triangle)PQR if PQ = 5x - 7 and PR = 2x + 5

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asked by Sarah
  1. If the triangle is equilateral, then:

    5x - 7 = 2x + 5

    Solve for x.

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    posted by PsyDAG
  2. x=4

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