Respuesta :

april424
The last one because they all have negatives in front of them so when you fool the 2.1 back and solve you get the same answer as the problem given
abidemiokin

Option A is correct. The equivalent expression is −2.1−(5.9+3.7)

Given the expression −2.1+(−5.9)+(−3.7)

Before we can determine the equivalent expression, we need to first know that:

  • - × - = +
  • + × - = -
  • + × + =+

The given expression then becomes;

−2.1+(−5.9)+(−3.7) = -2.1 - 5.9 - 3.7

Factoring out the negative sign from the last two terms;

 -2.1 - 5.9 - 3.7 =  -2.1 - (5.9 + 3.7)

Hence the equivalent expression is −2.1−(5.9+3.7)

Learn more here: https://brainly.com/question/24141906

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