Question

cara jawab nya gimana ya kak?​

Answer 1

[tex] \tt{2} \begin{gathered}\left[\begin{array}{ccc}p + 1&2\\ - 1&4\end{array}\right]\end{gathered} = \begin{gathered}\left[\begin{array}{ccc} - 6&4\\ - 2&3q - 1\end{array}\right]\end{gathered} \\ \\ \begin{gathered}\left[\begin{array}{ccc}2p + 2&4\\ - 2&8\end{array}\right]\end{gathered} = \begin{gathered}\left[\begin{array}{ccc} - 6&4\\ - 2&3q - 1\end{array}\right]\end{gathered}[/tex]

Cari p

• 2p + 2 = -6
• 2p = -6 - 2
• 2p = -8
• p = (-8)/2
• p = -4

___________

Cari q

• 8 = 3q - 1
• 8 + 1 = 3q
• 9 = 3q
• 9/3 = q
• 3 = q

Maka,

• p - q
• -4 - 3
• -7

Jawaban adalah A.

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