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2 votes
X = 7 - y
x = -2y + 12

1 Answer

3 votes

Answer:

x=2, y=5. (2, 5).

Explanation:

x=7-y

x=-2y+12

----------------

7-y=-2y+12

7-y-(-2y)=12

7-y+2y=12

7+y=12

y=12-7

y=5

x=7-5=2

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