In Exercises 112, solve each system by the method of your choice. 2x - + 2z
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In Exercises 1–12, solve each system by the method of your choice.
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2x - у + 2z = x + 2y - 3z = 3x-y - 4z = -8 9 3
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2xy2z x2y3z 8 9 3xy4z 3 Multiply the first equation by 2 and add to the second equation 4x2y 4z 16 ...View the full answer
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