Tentukanlah nilai-nilai p, q, r, dan s
pada persamaan matriks berikut!
![5 \left[\begin{array}{ccc}r&s\\p&q\end{array}\right] - \left[\begin{array}{ccc}8&-3\\5&6\end{array}\right] = \left[\begin{array}{ccc}7&8\\-15&14\end{array}\right]](https://tex.z-dn.net/?f=5+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Dr%26s%5C%5Cp%26q%5Cend%7Barray%7D%5Cright%5D+-+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D8%26-3%5C%5C5%266%5Cend%7Barray%7D%5Cright%5D+%3D+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D7%268%5C%5C-15%2614%5Cend%7Barray%7D%5Cright%5D "5 \left[\begin{array}{ccc}r&s\\p&q\end{array}\right] - \left[\begin{array}{ccc}8&-3\\5&6\end{array}\right] = \left[\begin{array}{ccc}7&8\\-15&14\end{array}\right]")
pada persamaan matriks berikut!
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5r = 7 + 8
5r = 15
r = 3
5s - (-3) = 8
5s + 3 = 8
5s = 8 - 3
5s = 5
s = 1
5p - 5 = -15
5p = -15 + 5
5p = -10
p = -2
5q - 6 = 14
5q = 14 + 6
5q = 20
q = 4
semoga membantu ya.. :)