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Volgvan
3 years ago
15

Evaluate:-19 - (-10) + (20) - (30) - (-15) A) -4 B) -3 C) 3 D) 4

Mathematics
2 answers:
Tresset [83]3 years ago
4 0

So firstly, remember that <u>subtracting a negative number is the same as adding a positive number</u> so our expression will look like this:

-19+10+20-30+15

Now solve as such:

\underbrace{-19+10}_{-9}+20-30+15\\\\\underbrace{-9+20}_{11}-30+15\\\\\underbrace{11-30}_{-19}+15\\\\\underbrace{-19+15}_{-4}\\\\-4

<u>Your answer is -4, or A.</u>

Ede4ka [16]3 years ago
4 0

Answer:  A) -4

Step-by-step explanation: usatestprep approved

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