Diamsjo5linacarl
Diamsjo5linacarl
19-11-2016
Mathematics
contestada
Solve this equation: 7x-1=3y+8
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syed514
syed514
21-11-2016
You can start by subtracting 8 from both sides.
so 7x-1=3y+8
-8 -8
-1x-1=3y
8 is not multiplied by x, so you cannot subtract it from 7x. It would instead be 7x-1-8=7x-9.
7x-9=3y
You have to divide all of it:
(7x-9)/3
so y=7/3x-3
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