Question

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

A.
–5.5

B.
–2.1

C.
2.1

D.
5.5

Answer 1

for x + (–y) when x = –3.8 and y = 1.7
plug in -3.8 for x and 1.7 for y
so (-3.8) + (-(1.7)) then simplify
-3.8 - 1.7 =