rosie36 rosie36

30-08-2016
Mathematics

contestada

please help me on number 2

please help me on number 2 class=

Respuesta :

Zinethar Zinethar

30-08-2016

The answer is B. Because B is a negative number, -B is a positive number. If adding them together gets 0, then A+B=0. Because of this, you can subtract B from both sides, leaving the answer A=-B

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