Example

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

Question

$$9-4$$

Answer

5

Solution


Use a number line.
0
1
2
3
4
5
6
7
8
9
Therefore, \(9-4=5\).
\[5\]
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