Example

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

Question

$$9-10$$

Answer

-1

Solution


Use a number line.
0
2
4
6
8
Therefore, \(9-10=-1\).
\[-1\]
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