Question: Use technology to find the solution. Approximate values to the nearest thousandth. 5x - 7y + 9z = 40 -7x + 3y = 72 =

Use technology to find the solution. Approximate values to the nearest thousandth.5x - 7y + 9z = 40 -7x + 3y = 72

5x - 7y + 9z = 40 -7x + 3y = 72 = 20 5x8y- 5z = 15

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