Please help me on number 2

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asked Dec 20, 2017 27.0k views

1 Answer

Neoascetic · Answer 1 · 2017-12-24T07:47:46+0000

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

Please help me on number 2

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