Are these expressions equivalent? (-2.6) + (-2.9) + (-7.1) and - (2.6+2.9+7.1) Why or why not?

Question

Mathematics

Pixie

23 July, 08:02

Are these expressions equivalent? (-2.6) + (-2.9) + (-7.1) and - (2.6+2.9+7.1) Why or why not?

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Answers (2)

Know the Answer?

Jorge Fernandez · Answer 1

yes, that is an examle o the distributive proeprty

i we take the 2nd phrase

- (2.6+2.9+7.1) = -1 (2.6+2.9+7.1) = -1 (2.6) - 1 (2.9) - 1 (7.1) = - (2.6) - (2.9) - (7.1) = (-2.6) + (-2.9) + (-7.1)

yes because of distributive property

Marcos Morales · Answer 2

Yes

Step-by-step expiation:

Negative plus negative equals a positive but you add the negative to a positive the number becomes a negative. and the other side everything is

positive in parentheses followed by a negative so they are equal.