alexus9 alexus9
  • 06-03-2017
  • Mathematics
contestada

Evaluate the expression 4-(-7)

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JaniceneshiaSmith15
JaniceneshiaSmith15 JaniceneshiaSmith15
  • 06-03-2017
Multiply −1-1 by −7-7 to get 77.−4+7-4+7Add −4-4 and 77 to get 33.Answer =3
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