By interchanging the given two signs which of the following equation will be not correct ? $$+$$ and $$-$$

A

$$3 \times 2 - 72 \div 6 + 8 = 18$$

B

$$15 + 3 \times 4 - 6 \div 2 = 6$$

C

$$3 + 4 - 2 \times 5 \div 1 = 9$$

D

$$8 \div 4 \times 6 + 5 - 9 = 16$$