Example

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

Question

$$\frac{30\times3+30\times6}{9}$$

Answer

30

Solution


Simplify  \(30\times 3\)  to  \(90\).
\[\frac{90+30\times 6}{9}\]
Simplify  \(30\times 6\)  to  \(180\).
\[\frac{90+180}{9}\]
Simplify  \(90+180\)  to  \(270\).
\[\frac{270}{9}\]
Simplify.
\[30\]
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