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2 votes
-5x - 5y = 10 ???

6x + 3y = -30 ????
4x + y = -2 ??
x + y = 1 ???
what is X and Y !!

1 Answer

4 votes
Well you can’t if you can’t figure out what x and y is then it’s an equivalent expression so x and y are 1
User SMaN
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