Example

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

Question

$$(7) \frac{ 3 }{ }$$

Answer

21

Solution


Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[7\times 3\]
Simplify.
\[21\]
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