# Deriving equations

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If

Q = a - bp

Q = c + dp

then I can derive that:

p = (a-c) / (b+d)

How do I derive that:

Q = (ad+bc) / (b+d)

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#### Solution Preview

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Hello, this is a question regarding the solution to the equations system.

Now, we have two equations

Q = a - bp ........................(1)

Q = c + dp ........................(2)

In order to solve (1) and (2), we ...

#### Solution Summary

This shows how to derive equations by rearranging variables.

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