Question

which of the following is equivalent to $3(a - 2) - (2a + 4)$?
a. $a - 10$
b. $a + 10$
c. $a \cdot 10$
d. $a + 2$

Explanation:

Step1: Expand the terms

\(3(a - 2) = 3a - 6\), \(-(2a + 4) = -2a - 4\)

Step2: Combine like terms

\((3a - 2a) + (-6 - 4) = a - 10\)

Answer:

a. \(a - 10\)