Question

Can I get some help please?

Answer 1

Answer:

700   -1     -200

75       1     5000

Step-by-step explanation:

1. the rule for the required matrix is:

$\left[\begin{array}{ccc}x_1;y_1;a\\x_2;y_2;b\end{array}\right]$

2. if to re-write the given equations, then:

700x-y= -200 and 75x+y=5000.

3. Finally, the answer is:

        column№1 | column№2  | column№3

==============+===========+=============

row№1   700      |         -1           |    -200

row№2   75        |           1          |   5000