Please bantuin soal nomor 2 ku, pakai cara kerja yah ,,
izharulhaq78
![\left[\begin{array}{ccc}-6\\-4\end{array}\right]+\left[\begin{array}{ccc}-2\\-1\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\left[\begin{array}{ccc}-6+(-2)\\4+(-1)\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\left[\begin{array}{ccc}-6-2\\4-1\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\boxed{\left[\begin{array}{ccc}-8\\3\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]}](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-6%5C%5C-4%5Cend%7Barray%7D%5Cright%5D%2B%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-2%5C%5C-1%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D%5C%5C%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-6%2B%28-2%29%5C%5C4%2B%28-1%29%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D%5C%5C%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-6-2%5C%5C4-1%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D%5C%5C%5Cboxed%7B%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-8%5C%5C3%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D%7D "\left[\begin{array}{ccc}-6\\-4\end{array}\right]+\left[\begin{array}{ccc}-2\\-1\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\left[\begin{array}{ccc}-6+(-2)\\4+(-1)\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\left[\begin{array}{ccc}-6-2\\4-1\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\boxed{\left[\begin{array}{ccc}-8\\3\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]}")
![\left[\begin{array}{ccc}-3\\7\end{array}\right]+\left[\begin{array}{ccc}a\\b\end{array}\right]=\left[\begin{array}{ccc}2\\-1\end{array}\right]\\\left[\begin{array}{ccc}-3\\7\end{array}\right]-\left[\begin{array}{ccc}2\\-1\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\left[\begin{array}{ccc}-3-2\\7-(-1)\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\left[\begin{array}{ccc}-5\\7+1\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-3%5C%5C7%5Cend%7Barray%7D%5Cright%5D%2B%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%5C%5C-1%5Cend%7Barray%7D%5Cright%5D%5C%5C%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-3%5C%5C7%5Cend%7Barray%7D%5Cright%5D-%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%5C%5C-1%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D%5C%5C%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-3-2%5C%5C7-%28-1%29%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D%5C%5C%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-5%5C%5C7%2B1%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D "\left[\begin{array}{ccc}-3\\7\end{array}\right]+\left[\begin{array}{ccc}a\\b\end{array}\right]=\left[\begin{array}{ccc}2\\-1\end{array}\right]\\\left[\begin{array}{ccc}-3\\7\end{array}\right]-\left[\begin{array}{ccc}2\\-1\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\left[\begin{array}{ccc}-3-2\\7-(-1)\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]\\\left[\begin{array}{ccc}-5\\7+1\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]")
![\boxed{\left[\begin{array}{ccc}-5\\8\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-5%5C%5C8%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%5C%5Cb%5Cend%7Barray%7D%5Cright%5D%7D "\boxed{\left[\begin{array}{ccc}-5\\8\end{array}\right]=\left[\begin{array}{ccc}a\\b\end{array}\right]}")
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