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OpenStudy (anonymous):
If you were to use the substitution method to solve the following system, choose the new system of equations that would result if x was isolated in the first equation. x + 6y + z = 2 x - 3y + 2z = -1 x + 5y + 3z = -4 A.11y + 4z = 6 2y + 5z = 3 B.y - 2z = 6 -8y - z = 3 C.3y + 3z = -3 11y + 4z = -6 D.-9y + z = -3 -y + 2z = -6 Plz help me!!!
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