Find the values of a, b, c, and d if

Solution:
Find the values of x, y, a and b, if
![\left[ \begin{matrix} \begin{matrix} 3x+4y & 2 & x-2y \end{matrix} \\ \begin{matrix} a+b & 2a-b & -1 \end{matrix} \end{matrix} \right] =\left[ \begin{matrix} \begin{matrix} 2 & \quad 2\quad & 4 \end{matrix} \\ \begin{matrix} 5 & -5 & -1 \end{matrix} \end{matrix} \right]](https://s0.wp.com/latex.php?latex=%5Cleft%5B+%5Cbegin%7Bmatrix%7D+%5Cbegin%7Bmatrix%7D+3x%2B4y+%26+2+%26+x-2y+%5Cend%7Bmatrix%7D+%5C%5C+%5Cbegin%7Bmatrix%7D+a%2Bb+%26+2a-b+%26+-1+%5Cend%7Bmatrix%7D+%5Cend%7Bmatrix%7D+%5Cright%5D+%3D%5Cleft%5B+%5Cbegin%7Bmatrix%7D+%5Cbegin%7Bmatrix%7D+2+%26+%5Cquad+2%5Cquad+%26+4+%5Cend%7Bmatrix%7D+%5C%5C+%5Cbegin%7Bmatrix%7D+5+%26+-5+%26+-1+%5Cend%7Bmatrix%7D+%5Cend%7Bmatrix%7D+%5Cright%5D+&bg=ffffff&fg=000&s=2&c=20201002)
Solution:
More Solutions:
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