Question

which expression is equivalent to $15c - (2c + 5c)$?
a $6c$
b $8c$
c $18c$
d $22c$

Explanation:

Step1: Simplify inside parentheses

$2c + 5c = 7c$

Step2: Subtract from the outer term

$15c - 7c = 8c$

Answer:

B. 8c