Answer:
u = 13.5
Explanation:
6u + 14 = 7u + 2u - 13
14 = 6u + 2u - 6u - 13
14 = 2u - 13
27 = 2u
6u - 7u - 2u = -13 -14
6u-9u = -27
-3u = -27
u = 9
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