Question

$Find a,b,c,d, if \left[\begin{array}{ccc}a+b&4\\3&c+d\end{array}\right] + \left[\begin{array}{ccc}6&a\\2d&-1\end{array}\right]= \left[\begin{array}{ccc}3b&3a\\3d&3c\end{array}\right]$

Answer 1

Dear Student:

If matrix A= matrix B

Then all the element of A= element of B.

See the attachment.