Example

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

Question

$$5-3 \times [2 \times (4-1)-3 \times (-1-5)- \frac{ 8 }{ 4-2] }$$

Answer

23-9*[2-8/(4-2])

Solution


Simplify  \(4-1\)  to  \(3\).
5-3*\(2\times 3-3\times (-1-5)-8/\))
Simplify  \(-1-5\)  to  \(-6\).
5-3*\(2\times 3-3\times -6-8/\))
5-9*\(2-3\times -6-8/\))
Simplify  \(3\times -6\)  to  \(-18\).
5-9*\(2-(-18)-8/\))
Remove parentheses.
5-9*\(2+18-8/\))
Simplify.
23-9*\(2-8/\))
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