Five marks exercise problems IV — task. Mathematics State Board, Class 10.

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1. Find the values of \(x\), \(y\), \(z\) if

(i)

(\begin{array}{l} x - 3 & 3 x - z \\ x + y + 7 & x + y + z \end{array}) = (\begin{array}{l} 1 & 0 \\ 1 & 6 \end{array})

x = i; y = i; z = i

(ii)

(\begin{array}{l} x & y - z & z + 3 \end{array}) + (\begin{array}{l} y & 4 & 3 \end{array}) = (\begin{array}{l} 4 & 8 & 16 \end{array})

x = i; y = i; z = i

2. Find \(x\) and \(y\) if

x (\begin{array}{l} 4 \\ - 3 \end{array}) + y (\begin{array}{l} - 2 \\ 3 \end{array}) = (\begin{array}{l} 4 \\ 6 \end{array})

x = i; y = i

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7. Five marks exercise problems IV