Answer/explanation:
2x + 3x + 1 + 8 = 29
5x + 9 = 29
5x = 20
x = 4
Segment WX = 2(4) = 8
Segment XY = 3(4) + 1 = 13
Segment XZ = XY + 8 = 13 + 8 = 21
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