Example

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

Question

$$\left. \begin{array} { l } { 4 + 8 \div 2 - 7 } \end{array} \right.$$

Answer

4*MDAS-3

Solution


Regroup terms.
\[4MDAS+\frac{8}{2}-7\]
Simplify  \(\frac{8}{2}\)  to  \(4\).
\[4MDAS+4-7\]
Collect like terms.
\[4MDAS+(4-7)\]
Simplify.
\[4MDAS-3\]
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