# Math

How can just adding one or subtracting one make the difference? I did the first one but can't come up with the second one. The first equation is:

x = 4y + 1 Subtract 1 from both sides

x - 1 = 4y Now divide both sides by 4

(x/4) - (1/4) = y

My slope is (¼) and my y-intercept is (-¼) What is it for the second equation?

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1. Where is the second equation ?

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posted by Reiny
2. Sorry,
x = 4y – 1

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posted by Emily

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