choose correct alternative If 49x - 57y = 172 and 57x - 49y = 252 then x - y = ……… ? (A) 80 (B) 4 (C) 10 (D) 8

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choose correct alternative If 49x - 57y = 172 and 57x - 49y = 252 then x - y = ……… ?    (A) 80 (B) 4 (C) 10 (D) 8​

Katherine · Answer

Answer:   B    Step-by-step explanation:   it may be helpful for you

choose correct alternativeIf 49x – 57y = 172 and 57x – 49y = 252 then x – y = ……… ? (A) 80 (B) 4 (C) 10 (D) 8​