<p>Find the value of x, y, z and u which satisfy the matrix equation&nbsp;<span class="equation">\(\begin{bmatrix} x+3&amp; x+2y\\ z-1&amp;4u-6 \end{bmatrix} = \begin{bmatrix} 0 &amp; -7 \\ 3&amp;2u \end{bmatrix}


\)</span>​​​​​​​</p>