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## Homework Statement

Suppose are h and k are unknown constants.

The equations are:

-3x-5y-6z=-4

8x+6y-9z=8

19x+17y+hz=k

if h≠A then A=?

## Homework Equations

## The Attempt at a Solution

I know that h is some number so that this system of equations has one or more solutions. Yet I'm having trouble where to start.

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