Example

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

Question

$$xxx9xxx478//////////9$$

Answer

$$478*x^6$$

Solution


Use this rule: \(a\div \frac{b}{c}=a\times \frac{c}{b}\).
\[xxx\times 9xxx\times 478\times 1\times 1\times 1\times 1\times \frac{1}{9}\]
Cancel \(9\).
\[xxxxxx\times 478\]
Regroup terms.
\[478xxxxxx\]
Simplify.
\[478{x}^{6}\]
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