Answer :

sqdancefan

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Answer:

  16. x = 11

  17. x = 4

Step-by-step explanation:

The triangles of interest are congruent, so corresponding parts have the same measure.

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16. 2x+2 = x+13

  x = 11 . . . . . . . . . subtract x+2 from both sides

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17. 4x+4 = 3x+8

  x = 4 . . . . . . . . . subtract 3x+4 from both sides