write a simplified expression that expression that shows thesum of three consecutive numbers where n is the last number. substit
ute n=5 to test the expression. what are the three consecutive numbers? what is their sum?
2 answers:
Answer: i dont know
Step-by-step explanation: hello im only here to complete a task, im receiving 50 points. I hope someone else can help you, cause I cant ;-;
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➷ The last number : n
The second number : n - 1
The third number : n - 2
n + n - 1 + n - 2
Simplify this:
3n - 3
Substitute 5 into it:
n = 5
n - 1 = (5) - 1 = 4
n - 2 = (5) - 2 = 3
3(5) - 3 = 12
Their sum is 12
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