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.
\[38\]
38