2 answers:
Answer: n=12
First, add 45 to both sides, giving you 60=5n
Then, divide both sides by 5, giving you 12=n
Step-by-step explanation:
Answer:
n = 12
Step-by-step explanation:
Solve for n:
15 = 5 n - 45
15 = 5 n - 45 is equivalent to 5 n - 45 = 15:
5 n - 45 = 15
Add 45 to both sides:
5 n + (45 - 45) = 45 + 15
45 - 45 = 0:
5 n = 15 + 45
15 + 45 = 60:
5 n = 60
Divide both sides of 5 n = 60 by 5:
(5 n)/5 = 60/5
5/5 = 1:
n = 60/5
The gcd of 60 and 5 is 5, so 60/5 = (5×12)/(5×1) = 5/5×12 = 12:
Answer: n = 12
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