PDF chapter test TRY NOW

Find the end-point \(A(x_1\), \(y_1)\), if the end-point \(B(x_2\), \(y_2)\) is \((16\), \(12)\) and the mid-point \(M(x\), \(y)\) is \((15\), \(13)\).
 
The end-point \(A(x_1\), \(y_1)\) is \((\), \()\).