Example

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

Question

$$17-(1+14-11)+15-1$$

Answer

27

Solution


Simplify  \(1+14\)  to  \(15\).
\[17-(15-11)+15-1\]
Simplify  \(15-11\)  to  \(4\).
\[17-4+15-1\]
Simplify  \(17-4\)  to  \(13\).
\[13+15-1\]
Simplify  \(13+15\)  to  \(28\).
\[28-1\]
Simplify.
\[27\]
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