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## haleylooove 2 years ago Find the value of x so that the line passing through (10, 5) and (x, 9) has a slope of -2

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1. satellite73

slope is $$\frac{9-5}{x-10}$$ and you want that to be equal 2, so set $\frac{4}{x-10}=2$ and solve for $$x$$

2. satellite73

you get $\frac{4}{x-10}=2$ $4=2(x-10)$ $2=x-10$ $x=12$

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