I think the correct answers from the choices listed above are options A and D. This is confirmed by simplifying the expressions in the choices.
A. 5.3 + (–14.2) = 5.3 – 14.2 >>>>>>Equal
B. –5.3 + 14.2 >>>>>>> Not equal
C. –14.2 + (–5.3) = –14.2 – 5.3 >>>>>>>>Not equal
D. –14.2 – (–5.3) = –14.2 + 5.3 >>>>>>>>Equal