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ASHA 777 [7]
3 years ago
9

Find three points that solve the equation x-3y = -7

Mathematics
1 answer:
serg [7]3 years ago
6 0

x-3y=-7\qquad|-x\\\\-3y=-x-7\qquad|:(-3)\\\\y=\dfrac{x+7}{3}

<em>We choose any values of x and calculate the value of y</em>

for\ x=-4\to y=\dfrac{-4+7}{3}=\dfrac{3}{3}=1\to(-4,\ 1)\\\\for\ x=-1\to y=\dfrac{-1+7}{3}=\dfrac{6}{3}=2\to(-1,\ 2)\\\\for\ x=2\to y=\dfrac{2+7}{3}=\dfrac{9}{3}=3\to(2,\ 3)

<h3>Answer:  (-4, 1), (-1, 2), (2, 3).</h3>
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