# Solving Algebraic Equations for a Given Variable

Not what you're looking for? Search our solutions OR ask your own Custom question.

I need a step-by-step way to complete these problems:

A= P+Prt ; for P

Ax+ By=C; for y

A= P(1+rt); for r

A= 1/2(B+b); for B

D= C-s

----- for C

n

https://brainmass.com/math/basic-algebra/solving-algebraic-equations-given-variable-36935

#### Solution Preview

Please see the attached file for the complete solution.

Thanks for using BrainMass.

A= P+Prt ; for P

It is the same as

A = P(1+rt), so dividing both sides by (1+rt), we have P=A/(1+rt)

Ax+ ...

#### Solution Summary

Equations are solved for a given variable. Explanations are provided.

$2.49