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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 y variable y is eliminated in the first and second equations, then the second and the third. 3x-y+3z=1 4x+y-6z=3 4x-2y+3z=-3 a) 7x-3z=4 12x-9z=3 b)7x-3z=4 4x-6z=3 c)3x+3z=1 12x-9z=3 d)3x+3z=1 4x-6z=1 PLEASE HELPP !!!
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OpenStudy (anonymous):
The answer is a
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