Example

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

Question

$$\begin{aligned}2\times10&\\ \times7&\end{aligned}$$

Answer

140

Solution


Simplify  \(2\times 10\)  to  \(20\).
\[20\times 7\]
Simplify.
\[140\]
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