Question

What is the value of the expression x + (–y) when x = –3.8 and y = 1.7?

A.
–2.1

B.
5.5

C.
2.1

D.
–5.5

Answer 1

D. -5.5

x + (-y)
(-3.8) + (-1.7)
= -5.5

Answer 2

-3.8 + (-1.7) = -3.8 - 1.7

-5.5 the answer is D