Question: K Change the third equation by adding to it 4 times the first equation. Give the abbreviation of the indicated operation. x + 2y

K Change the third equation by adding to it 4 times the first equation. Give the abbreviation of the indicated operation. x + 2y + 3z = 2 3x 3y 2z = 7 - 4x + 5y + 2z = 7 2y + 3x - 3y Ox + Oy The abbreviation of the indicated operations is R+R The transformed system is X + **** + 3z = 2z = z = 2 7. (Simplify your answers.) K Change the second equation by adding to it (-3) times the first equation. Give the abbreviation of the indicated operation. x + 2y = 2 3x + 2y = 1 2 0-y = 0 The abbreviation of the indicated operations is R + The transformed system is X + 2y = X + (Simplify your answers.) 20 Tr.

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