Question

Which inequalities are equivalent to r + 45 < 16?

Answer 1

r + 45 < 16
r + 45 - 45 < 16 - 45

r < -29

Answer 2

2, 3 and 5 are the answers.

Explanation:

r + 45 < 16 - 45

r + 45 – 16 < 16 – 16

r + 45 + 3 < 16 + 3

r + 45 - 16 < 16

r + 45 - 45 < 16 - 45