# Can you figure out this equation?

Algebra Level 2

$\begin{array}{lrr} &&A & B \\ -&&C& D \\ \hline \\ &&E & F \\ + &&G& H\\ \hline \\ &P&P& P \end{array}$

Each of the letters $$A, B, C, D, E, F, G, H, P$$ represents a distinct digit from 1 to 9.

What is $$A+B+C+D?$$

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