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Published byWarren Hunter Modified over 5 years ago

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SOLVING SYSTEMS OF EQUATIONS BY SUBSTITUTION PRACTICE PROBLEMS

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PAGE 340 WORK PROBLEMS 1, 6, and 7. We will check shortly.

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PAGE 340 WORK PROBLEMS 9, 13, and 25. We will check shortly.

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LITTLE DOG Solve the following systems of equations: 2x + 4y + 3z = 14 y + 3z = 11 z = 4

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ANSWER Solve the following systems of equations: 2x + 4y + 3z = 14 y + 3z = 11 z = 4(3, -1, 4)

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BIG DOG Solve the following systems of equations: 2x + 3y + 2z = 18 -4y + y – z = 5 2z = -10

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ANSWER Solve the following systems of equations: 2x + 3y + 2z = 18 -4y + y – z = 5 2z = -10(2, 8, -5)

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