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Given the system 4x 2y - 2z = 10 (A) 2x 8y 4z = 32 (B) 30x 12y - 4z = 24 (C) If pairing A and B and B and C, the easiest variable to eliminate would be Blank 1 Question 5 . Step 1 Combine A and B Step 2 Combine B and C 2x 8y 4z = 32 (B) 30x 12y - 4z = 24 (C) Blank 2 Question 5 x Blank 3 Question 5 y Blank 4 Question 5 z = 56