Answer:
u = -5
Explanation:
Step one: subtract 6u from both sides.
3u - 8 - 6u = 6u + 7 - 6u
-3u - 8 = 7
Step two: add 8 to both sides.
-3u - 8 + 8 = 7 + 8
-3u = 15
Step three: divide both sides by -3.
-3u/-3 = 15/-3
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