Respuesta :

so first we need to expand the brackets by multiplying everything outside the brackets by everything inside them
A=P+Pn
so then we divide everything by P
A/P=P/P + n
A/P=1+n
n=A/P - 1

Answer:

A-1/P=n

Step-by-step explanation:

step 1. look at the parentheses and use inverse operations on both sides

A=P(1+n)

-1       -1

step 2. divide both sides by P

A-1=P(n)

/P    /P

n= A-1/P

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