Given a = - 1 and 1 / 2, a = - 2, C = 2, then | a | + | B | - | C | is equal to

Given a = - 1 and 1 / 2, a = - 2, C = 2, then | a | + | B | - | C | is equal to

It is known that a = - 1 and 1 / 2, B = - 2, C = 2,
|a|+|b|-|c|=3/2+2-2=3/2