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If you substitute 3 for x what is the matching value for y? -3x-y=-7

If you substitute 3 for x what is the matching value for y? -3x-y=-7
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1 vote
If you substitute 3 for x what is the matching value for y? -3x-y=-7

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User Bjornicus
by
7.8k points

1 Answer

5 votes

-3(3) - y = -7

-9- y = -7

add 9 to each side -y = 2


y=-2

answered
User Alegscogs
by
8.5k points
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