Question

$$63/7+(12-8) \times (5 \times 2)-15+4$$

Answer

38

Solution


Simplify  \(12-8\)  to  \(4\).
\[\frac{63}{7}+4(5\times 2)-15+4\]
Simplify  \(5\times 2\)  to  \(10\).
\[\frac{63}{7}+4\times 10-15+4\]
Simplify  \(\frac{63}{7}\)  to  \(9\).
\[9+4\times 10-15+4\]
Simplify  \(4\times 10\)  to  \(40\).
\[9+40-15+4\]
Simplify  \(9+40\)  to  \(49\).
\[49-15+4\]
Simplify  \(49-15\)  to  \(34\).
\[34+4\]
Simplify.
\[38\]