Example

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

Question

$$7 \times -3 \times$$

Answer

-21*

Solution


Simplify  \(7\times -3\)  to  \(-21\).
\[-21\]
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