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x \left[ \begin{array}{l}{2} \\ {3}\end{array}\right]+y \left[ \begin{array}{r}{-1} \\ {1}\end{array}\right]=\left[ \begin{array}{c}{10} \\ {5}\end{array}\right] x=? y=? |
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Answer» 2x-y = 10 3x+y = 5 Solving, we get 5x = 15 x = 3 So, y = 5-9 = -4 Thanks Bhai |
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