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7x-4y=20 for y when x=3

7x-4y=20 for y when x=3
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2 votes
7x-4y=20 for y when x=3

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User Kittemon
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2 Answers

2 votes
I think it is y=-.25
7*3 - 4y = 20
21 - 4y = 20
subtract 21 from each side
- 4y = - 1
divide each side by - 4
y= -.25
answered
User Oleksii Valuiskyi
by
7.6k points
6 votes
the answer to 7x-4y=20 for y when x=3 is y = 25 i think
answered
User NiCk Newman
by
8.6k points
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