Question

Can I get some help please?

Answer 1

700 -1 -200

75 1 5000

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