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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25x + 61 y – 12z = 25 12y + 7z = 10 z = -4 18x Зх + 4у — -4
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6112 7 1 25 A 18 12 3 4 LA B ...View the full answer
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