Example

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

Question

$$\begin{aligned}9r&\\ \underline{-80}&\end{aligned}$$

Answer

9*r-80

Solution


Simplify.
\[9r-80\]
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