Example

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

Question

$$C(20,18)$$

Answer

20*C,18

Solution


Simplify.
\[C\times 20,18\]
Regroup terms.
\[20C,18\]
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