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2x + 4y = 7
2x - 2x + 4y = 7 - 2x
4y = -2x + 7
4y/4 = -2x/4 + 7/4
y = -(1/2)x + 7/4

Now that y is a function of x, you can give some values for x and find the corresponding values for y. (There are infinitely values for x an y)

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15y ago

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