. If 10x + 5y = 15 and 5x + 10y = 45 What is the value of x − y ? A] 6
B] -6
C] 3
D] 36
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. If 10x + 5y = 15 and 5x + 10y = 45 What is the value of x − y ? A] 6
B] -6
C] 3
D] 36
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