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WASHINGTON -- Brett Kavanaugh took the oaths of office to become the 114th Supreme Court justice, just a couple of hours after the Senate voted, 50-48, to confirm him.

The quick swearing in enables Kavanaugh to begin work immediately in advance of arguments at the court Tuesday in two cases involving prison sentences for repeat offenders.

The court says Kavanaugh took the oath required by the Constitution and another for judges that is part of federal law in the same room where the justices meet for their private conferences.

Brett Kavanaugh has been sworn in as a Supreme Court justice. Video was not made available - only stills. They are on Newsource now. Item PO-64SA pic.twitter.com/VchQb6TFHd — CNN Newsource (@CNNNewsource) October 7, 2018

The 53-year-old justice's wife, children and parents were in attendance.

Chief Justice John Roberts administered the constitutional oath and retired Justice Anthony Kennedy administered the judicial oath.

Kavanaugh is replacing Kennedy on the bench and once served as his law clerk.