2 answers:
Answer:
n > 10
n < 9
Interval notation:
(-∞, 9) U (10, ∞)
Step-by-step explanation:
2n + 7 > 27 or 3 + 3n < 30
-7 -7 -3 -3
2n > 20 3n < 27
÷2 ÷2 ÷3 ÷3
n > 10 n < 9
<--------- ----------->
<---------0--------0--------->
9 10
I hope this helps!
N > 10 and n > 9
Explanation:
1. 2n+7 > 27. Subtract 7 from both sides to get 2n > 20. Divide both sides by 2 to get n > 10.
2. 3+3n > 30. Subtract 3 from both sides to get 3n > 27. Divide both sides by 3 to get n > 9.
I hope this helps! :)
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