Example

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

Question

$$13\div[E_{2},*1]$$

Answer

13/(2*[E,*1])

Solution


Regroup terms.
13/(2*\(E,\times 1\))
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