Solve for P:
A = P + nrP
A = P (1+nr)
so
P = A /(1+nr)
To solve for P in the equation A = P + nrP, where A, n, and r are known variables, you can follow these steps:
1. Start by factoring out P on the right-hand side of the equation:
A = P(1 + nr)
2. Divide both sides of the equation by (1 + nr) to isolate P:
A / (1 + nr) = P
Now you have solved for P in terms of the given variables A, n, and r.