MaryJaneBarton
MaryJaneBarton
24-03-2017
Mathematics
contestada
7x-4y=20 for y when x=3
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Vika11
Vika11
24-03-2017
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
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nightmist
nightmist
24-03-2017
the answer to
7x-4y=20 for y when x=3 is y = 25 i think
Answer Link
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