Mathematics
faidah640
61

Use the elimination method to solve the system of equations. Choose the correct ordered pair.  3x - y = -1 3x + 3y = 27

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Crazythot3

3x - y = -1 - 3x + 3y = 27 •-4y = -28 •y = 7 •3x - 7 = -1 •3x = 6 •x = 2 Answer: B (2,7) Check: •3(2) - 7 = -1 •6 - 7 = -1 •-1 = -1 •3(2) + 3(7) =27 •6 + 21 = 27 •27=27

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