Example

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

Question

$$2(2 \times -3+1)$$

Answer

-10

Solution


Simplify  \(2\times -3\)  to  \(-6\).
\[2\times (-6+1)\]
Simplify  \(-6+1\)  to  \(-5\).
\[2\times -5\]
Simplify.
\[-10\]
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