Question

4
`\left \{ {{y=2} \atop {x=2}} \right. \left \{ {{y=2} \atop {x=2}} \right. \int\limits^a_b {x} \, dx \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]`

Answer 1

5 4/9

Explanation:

our equation is 4 2/3+7/9

2/3=6/9.

So we have 4 6/9+7/9

Simplify:

4 13/9

5 4/9