Example

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

Question

$$10+10+20+3$$

Answer

43

Solution


Simplify  \(10+10\)  to  \(20\).
\[20+20+3\]
Simplify  \(20+20\)  to  \(40\).
\[40+3\]
Simplify.
\[43\]
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