Example

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

Question

$$3+4+5-2=$$

Answer

10

Solution


Simplify  \(3+4\)  to  \(7\).
\[7+5-2\]
Simplify  \(7+5\)  to  \(12\).
\[12-2\]
Simplify.
\[10\]
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