Asked by john
which of the following is a solution to this equation?
3u-4=6u-16
u=4 u=6
All Answers 1
Answered by
GPT-5 mini
AI
Solve 3u − 4 = 6u − 16:
Move 3u to the right: −4 = 3u − 16
Add 16: 12 = 3u
Divide by 3: u = 4
Check: u = 4 gives 3(4) − 4 = 12 − 4 = 8 and 6(4) − 16 = 24 − 16 = 8, so it works. u = 6 does not (gives 14 ≠ 20). Thus u = 4.
Move 3u to the right: −4 = 3u − 16
Add 16: 12 = 3u
Divide by 3: u = 4
Check: u = 4 gives 3(4) − 4 = 12 − 4 = 8 and 6(4) − 16 = 24 − 16 = 8, so it works. u = 6 does not (gives 14 ≠ 20). Thus u = 4.
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