SOLUTION: A line contains (-3,5) and (x,9). If the slope is 2, find x.

Question 326195: A line contains (-3,5) and (x,9). If the slope is 2, find x.
Found 2 solutions by nyc_function, solver91311:
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
Let m = slope = 2
m = (difference of y coordinates)/(difference of x coordinates)
2 = (9 - 5)/(x - (-3))
2 = 4/(x + 3)
2(x + 3) = 4
2x + 3 = 4
2x = 4 - 3
2x = 1
x = 1/2

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Use the slope formula, filling in what you know:

Do the arithmetic and solve for

John

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