Question

combine any like terms in the expression. if there are no like terms, rewrite the expression.
$5c + 2c - 4c$

Explanation:

Step1: Group like terms

All terms have the variable $c$, so combine coefficients:
$(5 + 2 - 4)c$

Step2: Calculate coefficient sum

Compute the arithmetic in parentheses:
$5 + 2 - 4 = 3$

Answer:

$3c$