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The points (-9,2) and (x,12) lie on a line with slope 2. Find the missing coordinate x

The points (-9,2) and (x,12) lie on a line with slope 2. Find the missing coordinate x
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5 votes
The points (-9,2) and (x,12) lie on a line with slope 2. Find the missing coordinate x

User Billy Brown
by
8.5k points

1 Answer

6 votes

Answer:

(12 - 2)/(x - (-9)) = 2

10/(x + 9) = 2

x + 9 = 5

x = -4

User Lkartono
by
8.2k points
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