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Please help me with this ​
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1 vote
Please help me with this ​

Please help me with this ​-example-1
User JoeyRobichaud
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1 Answer

2 votes

Explanation:

-4 = x - y ...1

4 = -x + y ...2

...1 + ...2

-4+4 = x-y +(-x+y)

0 = 0

and I don't know next lol

User Fafchook
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