Answer:
n=7
Explanation:
1. Solve
3n-4=17
3n-4+4=17+4
3n=21
3n/3=21/3
2. Check
3x7-4=17
21-4=17
17=17
Correct!3. Answer
The value of n = 7
=> 3n-4=17
=> 3n = 17+4
=> 3n = 21
=> n = 21/3
=> n = 7
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