I NEED THE CORRECT ANSWER IN ORDER TO PASS PLS HELP! Charlotte receives a weekly allowance from her parents. She spent half of this week’s allowance at the movies, but earned an additional $4 for performing extra chores. If she did not spend any additional money and finished the week with $12, what is Charlotte’s weekly allowance?
show your work

a. 2x+4=12: x=16

b.1/2 x+4=12; x=4

c.1/2x+4=12; x=16

d.2x+4=12: x=32