Question

If a+b>a−b, which of the following must be true?

(A) a>b (B) a=b (C) a> 0 (E) b > 0

Answer 1

e. b>0

Explanation:

Answer 2

(E) b > 0

Explanation:

a+b > a-b

Subtracting a on both sides,

a+b-a > a-b-a

b > -b

Adding b on both sides,

b+b > b-b

2b > 0

b > 0