When integrating $\displaystyle \int\frac{{x}}{{{4}{x}+{3}}}{\left.{d}{x}\right.}$, we can use the substitution $\displaystyle {u}={4}{x}+{3}$. What will the resulting integral be after the substitution?

$\displaystyle \int$Preview Question 6   $\displaystyle {d}{u}$