Question: Use the idea behind Example 15 with a graphing utility to solve the following systems of equations. Round answers to two decimal places. 25.x +

Use the idea behind Example 15 with a graphing utility to solve the following systems of equations. Round answers to two decimal places. 

25.x + 61 y – 12z = 21 12y 18x – 12y + 7z = 7 Z. Зх + 4y — z = -2

25.x + 61 y 12z = 21 12y 18x 12y + 7z = 7 Z. + 4y z = -2

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