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Graphs and equations

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Which of the ordered pairs is a solution for the equation 4x - 2y = 8?
A) (0, 4) B) (-2, 0)
C) (-2, -4) D) (0, -4)

Which of the ordered pairs
(3, 1), (0, -4), (-4, 0), (-3, -7)
are solutions for the equation x - y = 4?
A) (0, -4), (-4, 0), and (-3, -7)
B) (-4, 0) and (-3, -7)
C) (0, -4) and (-3, -7)
D) (3, 1) and (-4, 0)

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This provides examples of working with graphs and equations.

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