Example

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

Question

$$4+16+36-8+18$$

Answer

66

Solution


Simplify  \(4+16\)  to  \(20\).
\[20+36-8+18\]
Simplify  \(20+36\)  to  \(56\).
\[56-8+18\]
Simplify  \(56-8\)  to  \(48\).
\[48+18\]
Simplify.
\[66\]
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