[ Answer ]

[ Explanation ]
-3(n + 5) = -21
Divide Both Sides By -3
= 
Simplify:
N + 5 = 7
Subtract 5 From Both Sides:
N + 5 - 5 = 7 - 5
Simplify:
N = 2
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Answer:
Step-by-step explanation:
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✨✨HOPE IT HELPS✨✨
Let’s change all of the denominators to be 48. He now have 6/48+40/48+20/48, or 66/48. This becomes 33/24, and in total 5+33/24, or 6 and 9/24. 9/24 becomes 3/8, so your answer is B.
Answer:
4). 
Step-by-step explanation:
The Given expression is that,
On simplifying,
= 
= 
= (2×2×2) × (
×
×
)
= 
Thus, <u>option 4</u> i.e.
is the correct simplification of the given expression.
Answer:
D
Step-by-step explanation: