Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\left. \begin{array} { l } { 9 + 4 } \\ { 9 + 6 + } \\ { 1 } \end{array} \right.$$

Answer

15

Solution


Use a number line.
0
2
4
6
8
10
12
14
Therefore, \(9+6=15\).
\[15\]
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