SOLUTION: Find the value of 'r' so the line that passes through (-4,8) and (r, -6) has a slope of 2/3. Please show work!

Question 679259: Find the value of 'r' so the line that passes through (-4,8) and (r, -6) has a slope of 2/3. Please show work!
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!

cross multiply
(8+6)(3) = (-4-r)(2)
...
(14)(3) = -8 - 2r
42 = -8 - 2r
42 + 8 = -2r
50 = -2r
-25 = r

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