Example

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

Question

$$5\times2\frac{\times4}{-7}+-I$$

Answer

33-I

Solution


Simplify  \(5\times 2\)  to  \(10\).
\[10\times 4-7-I\]
Simplify  \(10\times 4\)  to  \(40\).
\[40-7-I\]
Collect like terms.
\[-I+(40-7)\]
Simplify.
\[33-I\]
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