Problema Solution
Let n equal a certain number. If five times the sum of the number and -1 is equal to 15 less than the product of 3 and the number, what is n?
Solve A=P+PRT "for" P
Answer provided by our tutors
five times the sum of the number and -1 is equal to 15 less than the product of 3 and the number:
5(n + (-1)) = 3n - 15
by solving we find:
n = -5
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