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7 - y - y = -1 show work
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7 - y - y = -1

show work

User Adam Oakley
by
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2 Answers

4 votes
The difference between 7 and -1 is 8, you've subtracted y twice, so 8/2=4
User Timothy Truckle
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3 votes

7 - y - y = -1\\ -2y=-8\\ y=4
User Roi Mulia
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