Change the third equation by adding to it 5 times the first equation. Give the abbreviation of the indicated operation. x + 4y + 2z = 1 2x 4y 3z = 2 - 5x + 5y + 3z = 2 X + 4y + 2z = 1 The transformed system is 2x 4y - 3z = 2. (Simplify your answers.) x + Oy + = The abbreviation of the indicated operations is R * ORO $
