Question

(4,?) is in line y=2/7x-3. Find the other half of the coordinate

Answer 1

$y = \dfrac{2}{7} x - 3$

When x = 4,

$y = \dfrac{2}{7} (4) - 3$

$y = \dfrac{8}{7} - 3$

$y = -\dfrac{13}{7}$

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Answer: (4 , -13/7)
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