Example

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

Question

$$(-3+5) \times (2-1)$$

Answer

2

Solution


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