The answer is 1/3 of 12 its just easy math for me
3+1/x *x = 7/x*x
3x+1 = 7
3x+1-1=7-1
3x=6
3x/3 =6/3
x =2
She has -80 because 4 withdrawalsof 50 is 200 subtract the that from 120 its -80
Im pretty sure your answer would be D, 6x
but tell me if im wrong.