Slope of the line AB is $-\frac{2}{3}$. Co-ordinates of points A and B are (x , -3) and (5 , 2) respectively. What is the value of x?

Slope of the line AB is $-\frac{2}{3}$. Co-ordinates of points A and B are (x , -3) and (5 , 2) respectively. What is the value of x?
1). 4
2). -14
3). 12.5
4). -4

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