1.

xty=14С — — Ч

Answer»

x + y = 14; x - y = 4/2y = 10; y = 10/2=5; x - 5 = 4;; x = 4 +5 = 9;

correct answer is x = 9 , y= 5

X-y=4X=y+4X+y=14Y+4+y=142y=10Y=5X-5=4X=9



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