If signs ‘$$+$$’ and ‘$$-$$’ and numbers 14 and 6 are used interchangeably, then which of the following equation would be correct?

A

$$8 \times 2 + 6 - 14 = 4$$

B

$$6 + 14 \times 2 - 18 = 20$$

C

$$18 - 6 + 3 \times 14 = 30$$

D

$$6 \times 8 + 12 - 14 = 20$$