I need help...with math?

Question

i really don't get this part of my homework. 2qustions

1. Substraction is defined as _________ the opposite. The opposite, or additive inverse, of any number x is ________. The defination of subtraction is a-b=a+(-b).

2.Division is defined as ______by the reciprocal. The reciprocal, or multiplicative inverse, of any nonzero number x is _________. THe definition of division is : 1÷b=a×1/b

Answer 1

Substraction is defined as addition the opposite. The opposite, or additive inverse, of any number x is "-x" . The defination of subtraction is a-b=a+(-b).

2.Division is defined as multiplication by the reciprocal. The reciprocal, or multiplicative inverse, of any nonzero number x is "1/x". The definition of division is : 1÷b=a×1/b