SOLUTION: Find the value of x so that the line passing through (10,5) and (x,9) has a slope of -2.

Algebra ->  Linear-equations -> SOLUTION: Find the value of x so that the line passing through (10,5) and (x,9) has a slope of -2.      Log On


   

Question 107152: Find the value of x so that the line passing through (10,5) and (x,9) has a slope of -2.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
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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(9-5)/(x-10) = -2
4/(x-10) = -2
4 = -2x+20
2 = -x+10
x = 8
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Cheers,
Stan H.