Example

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

Question

$$\underline{1}+2$$

Answer

3

Solution


Use a number line.
0
1
2
3
Therefore, \(1+2=3\).
\[3\]
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