Centimeters because its smaller than inches and meters are way to long.

This equation has only one solution
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Answer:
correct 34324234324324
Step-by-step explanation:
2 + 4(3+2x) = 3x + 8
2 + 12 + 8x = 3x + 8
14 - 8 = 3x - 8x
6 = -5x
x = -6/5