Example

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

Question

$$-8+45+18-6$$

Answer

49

Solution


Simplify  \(-8+45\)  to  \(37\).
\[37+18-6\]
Simplify  \(37+18\)  to  \(55\).
\[55-6\]
Simplify.
\[49\]
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