Question

For any integer a, what is (-1) x a Identify the property used in the following: 2×13 + 8×13 = ( 2+8 ) × 13 equal to?

Answer 1

Answer:

2×13+8×13=(2+8)×13

26+104=16×13

130=208

Answer 2

Answer:

-a

Distributive property

Step-by-step explanation:

(-1) x a = -a

Distributive property states that, if a, b and c are 3 intergers then,

a x b + a x c = a (b + c)

So, the property used in the given question is distributive property.