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If x + y = 6 and 3x – y = 4 then x – y is equal to
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If x + y = 6 and 3x – y = 4 then x – y is equal to

User Mrsoltys
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1 Answer

0 votes

Answer:


-1

Explanation:


(x+y)+(3x-y)=4 \implies 4x=10 \implies x=2.5 \\ \\ 2.5+y=6 \implies y=3.5 \\ \\ \therefore x-y=2.5-3.5=-1

User Donald Seinen
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