Question 705020
y=x-4 (I know the answer would be 4,-4, but I'm not sure why that would be correct.
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y = x - 4 has an infinite # of "answers"
Pick a number for x and find y.
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As for (4,-4), that's not one of them
If x = 4, then y = 4-4 = 0 --> (4,0)
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If you graph it, you get a straight line, and every point on it is a solution, or answer.