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OpenStudy (anonymous):
If you were to use the elimination method to solve the following system, choose the new system of equations that would result after the variable z is eliminated in the first and second equations, then the second and third equations. 3x - 5y + 2z = 7 4x + 9y - z = 2 x - 3y + 3z = 7
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OpenStudy (anonymous):
second equation solve for z
OpenStudy (anonymous):
4x+9y=z
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