Question

P = 2n
P - 5 = 1.5n

What value of n makes the system of equations true?

Answer 1

n=10

Explanation:

P = 2n

P -5 = 1.5n, substitute P

2n -5 = 1.5n, subtract 1.5n and add 5 to both sides

2n -1.5n = 5, combine like terms

.5n = 5, divide both sides by .5

n= 10