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X28-3/ 9+4 3-3 9-10-0 {}/) 2 2p - 2 1 0 (t

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✨ Best Answer ✨

参考・概略です

両辺を 2(p-3)倍する

 -(q+4)=-2(p-3)

各辺を展開

  -q-4=-2p+6

文字の項を左辺,数の項を右辺に移項

   2p-q=6+4

右辺をまとめる

   2p-q=10

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