Question

Which correctly gives the expression using addition?

–18.6 – 31.5

A.
–18.6 + 31.5

B.
18.6 + 31.5

C.
18.6 + (–31.5)

D.
–18.6 + (–31.5)

Answer 1

It's D because a negative sign can override a positive operator.

Answer 2

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