To combine like terms, we must have the same variable raised to the same power. In this case, we only have the variable $p$, which is raised to the power of $1$.
Combining the coefficients of the like terms, we have:
$-\dfrac{4}{7} p + (-\dfrac{2}{7}) p + \dfrac{1}{7} = \boxed{-\dfrac{6}{7} p + \dfrac{1}{7}}$
Combine like terms to create an equivalent expression.
Enter any coefficients as simplified proper or improper fractions or integers.
\[{-\dfrac{4}{7}p+(-\dfrac27p)+\dfrac17}\]
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