Example

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

Question

$$\underline{2+2}$$

Answer

4

Solution


Use a number line.
0
1
2
3
4
Therefore, \(2+2=4\).
\[4\]
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