The table gives the coordinates of two points on a line in the xy-plane.The y-intercept of the line is (k − 5, b), where k and b are constants. What is the value of b?
| x | y |
|---|---|
| k | 13 |
| k + 7 | -15 |
| x | y |
|---|---|
| k | 13 |
| k + 7 | -15 |
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