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Use substitution X+y=11 -x=-y-9​

Use substitution X+y=11 -x=-y-9​
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8 votes
Use substitution X+y=11 -x=-y-9​

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User Akeelah
by
8.3k points

1 Answer

2 votes

Answer:

-(_y)-11=-y-9

Y-11=-y-9

2y=2

Y=1

answered
User Ian Burnette
by
8.0k points
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