Use the idea behind Example 15 with a graphing utility to solve the following systems of equations.
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Use the idea behind Example 15 with a graphing utility to solve the following systems of equations. Round answers to two decimal places.
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25.x + 61 y – 12z = 21 12y 18x – 12y + 7z = 7 Z. Зх + 4y — z = -2
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25 61 A 18 12 3 4 12 21 7 B ...View the full answer
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