Question

question 21 of 25
simplify the expression.
12x - 9 - 4x + 3
a. 16x - 12
b. 8x - 6
c. 8x - 12
d. 16x - 6

Explanation:

Step1: Group like terms

$(12x - 4x) + (-9 + 3)$

Step2: Combine x terms

$12x - 4x = 8x$

Step3: Combine constant terms

$-9 + 3 = -6$

Step4: Combine results

$8x - 6$

Answer:

B. $8x - 6$