please I need help. YOU BE THE TEACHER Your friend finds the difference. 7-(-12) = 7+ 12 = 19 Is your friend correct? yes or no Explain your reasoning​
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Nepalieducation 7 months ago
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Answer:

Yes.

Step-by-step explanation:

Yes it is correct.

When any bracket is opened by "-" sign then the sign inside the bracket changes.

Here,

→7-(-12)

→7+12

→19

In the above question the bracket is opened by "-' and the sign of 12 is also negative. So, -×- changes into +.

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23holtrebt 7 months ago
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yes. a negative subtracting a negative equals a positive, therefore it would be 7+12 which would equal 19. your friend is correct.

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