Question: For the following exercises, solve each system by substitution. 5x - 2y + 3z=20 2x - 4y3z-9 x+6y8z-21

For the following exercises, solve each system by substitution.

5x - 2y + 3z=20 2x - 4y3z-9 x+6y8z-21

5x - 2y + 3z=20 2x - 4y3z-9 x+6y8z-21

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